Answers
Answer:
There are many different kinds of microscopes. A magnifying glass is a simple microscope. The term microscope commonly refers to a compound microscope. These Microsoft are called compound because they are made of several glass lenses in a tube. The total magnifying power of a microscope is the product of the magnifying power of the lens is in the ips and the magnifying power of the lens in the objective.. Most compound microscopes can magnify a specimen up to 400 times as real size. Microscope allow you to see fine details. Space is between objects that are closer together than 0.1 mm can be seen. The ability of a microscope to separate small distances is called resolving power. If the resolving power is not good the image will be blurred. When you look into the eye piece of microscope the circular area you see is the field of view when a ruler is placed across the opening of the stage the field of view can be measured in millimeters. Sharpening an image under high magnification used the Find adjustment knobs. The part of the microscope that holds the Microscope slide is called the stage.
Related Questions
Can someone plz help me? :(
Answers
Answer:
D - design a device that can throw an object at least 15 metres
Answer:
D. Design a device that can throw an object at least 15 meters.
Explanation:
First of all, the object shown as you may be able to tell, look like a catapult. It also shows the top end of it holding a ball, getting ready to launch it. It then shows a line of the ball traveling after being launched. The balls land of the ground at 15 meters. From this iformation you look at the options:
A. Design an object that is 10 meters tall.
No, because 10 meter is just the highest point of the ball being launched.
B. Design a vehicle that can travel across a 10-meter feild.
No, because it is the ball that is traveling, not the catapult.
C is about a vehicle traveling again, so eliminate that too.
D. Design a device that can throw an object at least 15 meters.
This describes exactly what we soo in the picture. Meaning D is correct.
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A red flower RR and a purple flower BR have 4 offspring how many will be red blue and purple? Complete a Punnett square
Answers
Answer:
So three of the offspring will be red, blue and purple and one will be purple.
hope that's correct and it helps
This question is in accordance with the mendel law of independent assortment which stated that two alleles assort independently during gamete formation. Therefore, the resultant punnett square will show flower having the genotype of RB and purple color as its phenotype. See Attachment for punnet square results.
in phantom limb syndrome, which sensory pathway is responsible for conveying the sensory neuron activities?
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The experience of the phantom limb syndrome involves the subjective sensation of the patient, the processes involved in this sensation are: both sensitive activity and the motor pathway.
The somatic nervous system is made up of mixed nerves (mixtures of sensory and motor axons) that emerge from the central nervous system, innervate the somatic effectors (skeletal muscles).Somatic motor pathways begin in the motor areas of the cerebral cortex, the projection neurons in that cortex emit axons that descend through the brain stem until they reach the spinal cord.Patients with this syndrome experience the sensation that the amputated limb is still attached to their body, since the brain continues to receive messages from the nerves that originally carried the impulses from the lost limb.Therefore, we can conclude that Phantom Limb Syndrome is the perception of sensations, which include pain of an amputated limb, where both sensory activity and the motor pathway have an action on said sensations.
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What is chemosynthesis?
How do chemosynthetic organisms get energy? Some examples of organisms include colorless sulfur bacteria, iron bacteria, and giant tube worms (Riftia parchyptila).
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the synthesis of organic compounds by bacteria or other living organisms using energy derived from reactions involving inorganic chemicals, typically in the absence of sunlight.
Which of the following describes asexual reproduction?
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Do you agree that farming is good for the society? Why?
Answers
Answer:
Yes ,I do agree that farming is good for society
Explanation:
Why do I belive this because farming is apart of the circle of life,We plant,it grows it feed animals and animals feed us. And it keeps going on and on again.
people who don't believe humans are causing global warming argue it might be caused by...
Answers
Which feature is characteristic of rivers?
Answers
Answer:
A. a weak or strong current
Explanation:
hope this helps
Answer:a weak or a strong current
Explanation:
The scientific community disagrees about _______. A. The rate of global climate change b. The occurrence of global warming c. The need for action d. All of the above Please select the best answer from the choices provided A B C D.
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The scientific community disagrees about the rate of global climate change (Option A). The occurrence of global warming is widely accepted by the scientific community.
Global climate change refers to the fluctuations in temperatures worldwide.
Global climate change is caused by the use of fossil fuels such as oil, coal and natural gas, which are known to be associated with the increasing concentration of greenhouse gases in the atmosphere.
The greenhouse gases include, among others, carbon dioxide (CO2) and methane (CH4).
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Answer:
a
Explanation:
A _____ occurs when a cold air mass moves over a warm air mass.
front
hot front
warm front
cold front
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Answers
Answer:
Cold front
Explanation:
-
The primary form of reproduction in bacteria is ____________ .Structures called ____________ assist bacteria with genetic exchange.Stressful environments cause many bacteria to produce ____________ to survive harmful conditions.Many bacteria exchange genetic material through a mating process called ____________ .A process known as ____________ involves viruses as a means of bacterial DNA exchange.
Answers
Answer:
1 binary fission
2) pili
3) Spores
4) Conjugation
5)Transduction
Explanation:
Which of the following statements about cells is NOT true
Answers
Answer:
umm there are no options?
Explanation:
Answer:
What is the answer choices
Explanation:
Plant cell vacuoles tend to store a great
deal of...
A. gases.
B. water.
C. protein.
Answers
Answer:
Water. Plant cells have a large central vacuole that tends to store a great deal of water
what is the main function of the cell wall in a plant cell
Answers
Answer: provides tensile strength and protection against mechanical and osmotic stress
Explanation:
Please help! Multiple choice question.
Answers
Answer: A is the correct answer
Hope this helps :)
In your own words, what does “degradation” mean?
Answers
Answer: the condition or process of degrading or being degraded.
Explanation: Give me 5 stars
what is the oxygen cycle ?
Answers
Hope you could get an idea from here.
Doubt clarification - use comment section.
Which of the following best describes an antigen?
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B. A recognition molecule on the surface of the cells.
What is antigen?An antigen is a substance that is capable of triggering an immune response in the body. It is typically a foreign substance, such as a pathogen (e.g. a virus or bacterium), a toxin, or a non-infectious particle (e.g. pollen or dust), that is recognized by the immune system as being foreign and potentially harmful.
When an antigen enters the body, it is recognized by immune cells called B cells and T cells, which produce proteins called antibodies to help neutralize and remove the antigen. The antigen-antibody interaction is a key part of the body's immune response and helps to protect us against infectious diseases.
Antigens can also be present on the surface of our own cells, such as cancer cells or transplanted organs, and can trigger an immune response if they are recognized as foreign by the immune system.
Overall, antigens are important components of the body's immune system and play a critical role in protecting us against infectious diseases and other threats.
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The preganglionic fibers of the sympathetic nervous division originate in segments ____ of the spinal cord and first enter the ____ ganglia.
Answers
Answer:
T1 to L2 ; Sympathetic Chain
Which cells can form ATP by breaking down glucose?
a
Prokaryotes only
b
Plants only
c
All cells
d
Animals only
Answers
Answer:
C.) All cells
Explanation:
because energy needs plants as well as animals including prokaryotic cell
Which of these are causes of long-term climate change? Check all that apply.
Answers
Answer:
Where are the answers?
Explanation:
Answer: Earths orbit around the sun, solar energy, and volcanic eruptions
Explanation:
Earths orbit: At other times, the ellipse is more pronounced, so that the Earth moves closer and further away from the Sun in its orbit. When the Earth is closer to the Sun, our climate is warmer and this cycle also affects the length of the seasons.
Solar energy: Solar produces less life-cycle GHG emissions than conventional fossil fuel energy sources.
Volcanic eruptions: Volcanic eruptions of this magnitude can impact global climate, reducing the amount of solar radiation reaching the Earth's surface, lowering temperatures in the troposphere, and changing atmospheric circulation patterns.
Categorize each carbohydrate listed as either a monosaccharide, disaccharide, or polysaccharide.
glucose
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Answer: Glucose and Fructose are monosaccharides. Cellulose and starch are polysaccharides. And sucrose is a disaccharide.
Where, in terms of an ellipse, is the Sun located with respect to the orbit of each planet? Which
one of Kepler's Laws does your answer support?
Answers
Answer:
focus
The Sun is at one focus. The planet follows the ellipse in its orbit, meaning that the planet to Sun distance is constantly changing as the planet goes around its orbit. Kepler's Second Law: the imaginary line joining a planet and the Sun sweeps equal areas of space during equal time intervals as the planet orbits.
I’m confused with this question
Can anyone help?
Answers
I get why u were confused cause the way they word some of the answers literally doesn't make any mf sense
my best answer would be the 3rd one (sediment that is sorted by size due to the changing velocity of the water)
Explanation:
because when sediments are well sorted their sizes are similar
Complete this sentence. Excess ____________ from human activities can cause harmful algal blooms (HABs), such as red tide, that produce toxic effects on aquatic species, marine mammals, and birds, as well as on the humans who eat them.
Nitrogen
Carbon
Salt
Heat
Answers
Answer: Nitrogen
Explanation:
Harmful algal blooms can occur in lakes, reservoirs, rivers, ponds, bays and coastal waters, and the toxins they produce can be harmful to human health and aquatic life. Harmful algal blooms are mainly the result of a type of algae called cyanobacteria, also known as blue-green algae.
The answer is nitrogen, nitrogen helps algae grow and when it grows in excess it takes away the dissolved oxygen from the water which kills off fish, which puts more nitrogen in the water making algae grow even more until it snowballs and destroys the aforementioned ecosystem.
Match each part of the endocrine system with the correct label.
Answers
Answer:
Your numbers are
1 Pineal gland
2 Hypothalamus
3 Pituitary Gland
4 Thyroid Gland
5 Thymus
6 Pancreas
7 Adrenal Glands
8 Testes
9 Ovaries
Explanation: are correct
Answer:
1 Pineal gland
2 Hypothalamus
3 Pituitary Gland
4 Thyroid Gland
5 Thymus
6 Pancreas
7 Adrenal Glands
8 Testes
9 Ovaries
Explanation:
Which type of competition happens
between two organisms of the same
species?
A. interspecific
B. intraspecific
C. invasive
Answers
Answer: intraspecific competition
hopes this helps.
Answer:
A. Interspecific is my best guess.
Explanation:
“Inter” means inside, so I’m guessing it would relate to the organisms being of the same species. “Intra” means outside. And invasive just doesn’t make any sense.
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which of these is most important for the testing of a new drug to determine?
A. its name
B. its effectiveness
C. its cost
D. its flavor
Answers
Answer:
B. its effectiveness
Explanation:
Obviously, a drug (or any medical treatment) should be used only when it will benefit a patient. Benefit takes into account both the drug's ability to produce the desired result (efficacy) and the type and likelihood of adverse effects (safety).
Answer:
When dealing with drugs like Corona virus vaccines i think the effectiveness is most important in that case but when dealing with may be children's syrups the flavour could be most important
What is the metabolic process that breaks down organic molecules to release energy to be used by cells?
A. cellular respiration
B. light dependent cycle
C. light independent cycle
D. photosynthesis
Answers
Cellular respiration in living tissues is reduced at low temperatures. The amount of kinetic energy needed for chemical reactions like cellular respiration to occur decreases as temperature rises. Thus, option A is correct.
What importance of cellular respiration in an organism?As oxygen tension dropped, so did breathing rate, which eventually reached nil at low oxygen tensions.
Cell density had no bearing on this outcome. We provide a model to explain the observed impact of oxygen tension on cellular oxygen uptake.
As a result, increased cellular respiration is often associated with warmer temperatures.
Carbon dioxide concentration: The rate of respiration is inversely correlated with carbon dioxide concentration.
Increased carbon dioxide levels and a lack of oxygen have a negative impact on aerobic respiration rate.
Therefore, cellular respiration is the metabolic process that breaks down organic molecules to release energy to be used by cells.
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What is reactivity and what does is have to do it chemistry
Answers
Answer:
In chemistry, reactivity is a measure of how readily a substance undergoes a chemical reaction. The reaction can involve the substance on its own or with other atoms or compounds, generally accompanied by a release of energy. The most reactive elements and compounds may ignite spontaneously or explosively.
( hope this helps!)
