What piece of equipment helped scientists to discover cells?
A. The microscope
B. Glasses
C. The monocle
D. The telescope

Answers

Answer 1

Answer:

im pretty sure the answer is A

Answer 2

The telescope , a tool, helped discover evidence to support the Big Bang. Thus, option D is correct.

The term “evidence” refers to the proper form of proof that supports a claim. Newspaper articles, historical papers, footprints, signatures, internet sources, files, paperwork, films, medical reports, photographs, and voice recordings are a few examples of the various types of evidence.

According to the evidence and supporting evidence, the galaxy was the distance from Earth. The microwave background radiation and the cosmic background radiation. The 1960s saw the discovery of radiographs.

Therefore, option (d) is correct.

Learn more about on evidence, here:

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Related Questions

the impact of extinction to the environment

Answers

Answer:

Changing systems are inevitable but likewise bring harsh and even uncontrollable effectsExtinction is especially harmful because of the concept of mutual or coexistence theorems in which certain animals depend on others We will examine the food chain: Say that grasshoppers go extinct and the lizards that eat them exclusively now have no food source. That effect transcends into a higher order as it climbs up the food ladder. Effectively these said lizards could have been controlling the bug population and effectively the grasshoppers controlled smaller micro organisms which now are left to their own devices given the extinction of the grasshoppers.effectively those microorganism can damage ecosystems and dramatically change the composition or animals and vegetation that exist in said area.

Answer:

1) it'll affect the chain reactions in the whole ecosystem and therefore, have a big effect on the environment.

2) if this happens then humans may lose the source of medicines as well, thus humans will be hit by a disease and there would probably be no cure, hence again affecting the biodiversity.

Identify details in the text that support sustainable
development goals.

Answers

a.25
b.26891
c.5678
hope that helps

Can someone pls do this I will give brainliest

Answers

Mitosis definition

a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.

Hope I helped

Why are airports, trains, cruises , and bus stations often considered the highest targets for biological warfare?

Answers

Answer:

a combination of large groups of people, and they are all travelling- which increases the spread.

Answer:

The reason airports, trains, cruises, and bus stations are considered high risk areas for biological warfare is because they all have a high number of people in them which means that there will be more fatalities.

If there is a solar eclipse, we see a shadow because the sunlight is _______________.
none of the above
absorbed by moon
refracted by moon
reflected by moon

Answers

Answer:

refracted by moon

Explanation:

Answer:

reflected by moon would probaly be the answer.

Explanation:

Sometimes, the Moon passes between the Earth and the Sun. The Moon blocks the light of the Sun and a shadow of the Moon is cast on the Earth's surface. This is an eclipse of the Sun, or a solar eclipse.

Limiting Factors of Photosynthesis

Answers

Answer:

Light intensity. Without enough light, a plant cannot photosynthesise very quickly - even if there is plenty of water and carbon dioxide. ...

Carbon dioxide concentration. ...

Temperature.

Explanation:

advantage and disadvantage of minilap​

Answers

Answer:

Advantages

•  After the procedure, the female will no longer have to worry about becoming pregnant again.

•  It causes no hormonal changes to the body.

Disadvantages

•  The procedure is difficult to reverse. So even if there is a slight chance that you might consider having children in the future, this procedure is not meant for you.

•  Tubal ligation does not offer any protection against sexually transmitted diseases.

•  If in case the procedure fails and you become pregnant, you have an increased risk of ectopic pregnancy. Ectopic pregnancy is the one where the foetus develops outside the uterus.

•  Any kind of surgery is prone to complications and the same applies to mini-laparotomy as well. The surgery might result in some or any kind of infection, bleeding, injury to the bowels, bladder, or uterus. It may also result in permanent scarring.

explain how competition for biotic and abiotic factors, such as quantity of light water or food can affect the size of populations

Answers

Answer:

When there is a limited supply of water or food, organisms must compete for these resources in order to survive. Some will get to eat/drink but some others might not. As a result those organisms may die from lack of food/water, therefore decreasing the size of the population.

Which of the following is true?
A. The reactions for cellular respiration and
Photosynthesis are the same
B. The products of photosynthesis are the rectants in
cellular respiration.
C. The products for cellular respiration and
Photosynthesis are the same.
D. Cellular respiration and Photosynthesis are not
interrelated

Answers

Answer:

B. the products if photosynthesis are the rectants

Which of the following environmental risks is most likely to lead to digestive health issues?
A) meat contamination
B) air pollution
C) fertilizer use
D) hypothermia
E) none of the above

Answers

The most likely would be meat contamination because when you eat it it could affect you digestive system.
A) meat contamination

I the otter , sea urchin , kelp community , what trophic level is the kelp ?

A. Producer
B. Primary consumers
C. Secondary consumers
D. Tertiary consumers

Answers

Kelp is the producer because it creates its own energy

Sasha used the Internet to find and print images of the esophagus, stomach, liver, and intestines. She then arranged these structures to show how they are organized inside a human body. What sequence of organization was Sasha demonstrating?
a. cells - tissues
B. tissues - organs
C. organ systems - organism
D. organs - organ systems

Answers

Answer:

d

hope this is right and good luck

The endocrine system regulates the body through hormone release. Like the nervous system, what does the endocrine system help maintain?
A. homeostasis
B. reflexes
C. chemicals
D. neurons

Answers

Answer:

How is the endocrine system related to the nervous system in terms of its regulatory activity?

For one, the endocrine system uses chemical signaling (hormones, produced by glands) while the nervous system uses electrical signaling (neural impulses). The signal transmission of the nervous system is fast because neurons are interconnected, but the functions are more short-lived.

Explanation:

Which effect of temperature rise causes a feedback resulting in a rise in global temperatures?

more severe storms

more water vapor in the atmosphere

less water vapor in the atmosphere

less severe storms

Answers

Answer:

Less water vapor in the atemosphere

Explanation:

Answer:

less water vapor in the atmosphere

Explanation:

ill mark brainliest!

What does a model of the carbon cycle show?

The amount of Earth’s carbon increases.

The amount of Earth’s carbon is constant.

The amount of Earth’s carbon decreases.

The amount of Earth’s carbon cannot be determined.

Answers

The answer is A I believe

Answer:

The amount of Earth’s carbon increases.

Explanation:

Changes that put carbon gases into the atmosphere result in warmer temperatures on Earth. This diagram of the fast carbon cycle shows the movement of carbon between land, atmosphere, and oceans. Yellow numbers are natural fluxes, and red are human contributions in gigatons of carbon per year.

Love the ouma pfp

2. Which statement is NOT part of the cell theory?
O Cells come from existing cells
O Cells are the basic unit of life
O Cells are all the same on the inside
OLiving organisms are made up of one or more cells​

Answers

Answer:

O Cells are all the same on the inside

Which of these is an OPINION about deforestation (not a fact)? *

A. It can cause animals to lose their habitat.

B. it happens because people use wood and lumber.

C. Deforestation destroys important sources of oxygen.


D. It's a serious crisis that our government should try to stop.
PLEASE ANSWRR

Answers

Answer:

D

Explanation:

Answer:

D

Explanation:

Pretty obvious lol

What Is WEATHERING help ill give you brainlest

Answers

Answer:

weather is the climatic condition s of a place for a short period of time . components of weather are -raunfall,cloudniss etc.

Weathering is the breakdown of rocks at the Earth's surface, by the action of rainwater, extremes of temperature, and biological activity. It does not involve the removal of rock material

how do soybeans replenish the soil of nitrogen?

Answers

legumes can get their nitrogen from the atmosphere

Explanation:

They can convert nitrogen in the atmosphere into a usable form through a mutual effort between microorganisms in the soil and nodules the plants' roots. This process is known as symbiotic nitrogen fixation.

legumes can get their nitrogen from the atmosphere, they convert nitrogen in the atmosphere into a usable form through a mutual effort between microorganisms in the soil and nodules on the plants’ roots. this process is known as symbiotic nitrogen fixation. :)

Which statement explains the cause of the difference between the proteins the best?

Answers

Answer:

i dont know

Explanation:

1. Determine hormones with external and internal secretion.
2. The nervous system and the hormonal system control the sending of messages to different organs of the body, describe the difference between them.
3. Explain the role of thyroxine in the metabolic processes of our body.
4. Describe the role of insulin in regulating blood sugar. What are the effects of adrenaline in the body?
5. Distinguish the role of testosterone and estrogen in human sexual development.​

Answers

Answer:

yeah

Explanation:

Thyroxine is the main hormone secreted into the bloodstream by the thyroid gland. It plays vital roles in digestion, heart and muscle function, brain development and maintenance of bones.

Alternative names for thyroxine

T4; tetraiodothyronine; thyroxin

What is thyroxine?

Thyroxine is the main hormone secreted into the bloodstream by the thyroid gland. It is the inactive form and most of it is converted to an active form called triiodothyronine by organs such as the liver and kidneys. Thyroid hormones play vital roles in regulating the body’s metabolic rate, heart and digestive functions, muscle control, brain development and maintenance of bones.

How is thyroxine controlled?

The production and release of thyroid hormones, thyroxine and triiodothyronine, is controlled by a feedback loop system that involves the hypothalamus in the brain and the pituitary and thyroid glands. The hypothalamus secretes thyrotropin-releasing hormone which, in turn, stimulates the pituitary gland to produce thyroid stimulating hormone. This hormone stimulates the production of the thyroid hormones, thyroxine and triiodothyronine, by the thyroid gland.

This hormone production system is regulated by a feedback loop so that when the levels of the thyroid hormones (thyroxine and triiodothyronine) increase, they prevent the release of both thyrotropin-releasing hormone and thyroid stimulating hormone. This system allows the body to maintain a constant level of thyroid hormones in the body.

What happens if I have too much thyroxine?

The release of too much thyroxine in the bloodstream is known as thyrotoxicosis. This may be caused by overactivity of the thyroid gland (hyperthyroidism), as in Graves' disease, inflammation of the thyroid or a benign tumour. Thyrotoxicosis can be recognised by a goitre, which is a swelling of the neck due to enlargement of the thyroid gland. Other symptoms of thyrotoxicosis include intolerance to heat, weight loss, increased appetite, increased bowel movements, irregular menstrual cycle, rapid or irregular heartbeat, palpitations, tiredness, irritability, tremor, hair


2. Give a reason why earth worms come out of the soil when it has rained.
for wallowing it?​

Answers

Explanation:

Oxygen diffuses easily through air, and the soil stays aerobic because oxygen comes in from the surface. But after a rain, the soil pores and the worm burrows fill with water. The worms can't get enough oxygen when the soil is flooded, so they come to the surface to breathe.

what is a type of asexual reproduction in which a nucleus undergoes cell division and two daughters cells are formed, each containing a complete set of chromosomes

Answers

binary fission?

In binary fission, the parent is split into two daughter cells, each genetically identical while receiving a copy of DNA

Which is the most common safety rules to follow before leaving the lab

Answers

Answer:

The answer would be to always wash your hands!

Answer:

The most common safety rules to follow before leaving a lab are the following:

Explanation:

Wipe down all equipment, materials, etc with disinfectant wipes.

Throw out any trash or biohazardous materials.

Store papers, documents, and lab equipment such as microscopes and goggles back where they are supposed to be stored.

Make sure to turn off all equipment so they aren't running while you or others aren't there.

Hope this info helps and please mark brainliest!

What is the leading cause of death in humans?

cancer

random violence

automobile accidents

heart disease

Answers

Answer:

d, or heart disease.

Explanation:

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What characteristics do all renewable energy resources share?

A. Produced by waste products
B. Form underground from fossilized organisms.
C. Replaced in a short period of time.
D. Allow energy to pass through them easily.

Answers

Renewable energy resources are all replaced in a short period of time. Everything else doesn’t work.

Answer:

C. Replaced in a short period of time

Give 3 examples of adaptations observed in plant species

Answers

Answer:

Plant adaptations

Drip tips - plants have leaves with pointy tips. ...

Buttress roots - large roots have ridges which create a large surface area that help to support large trees.

Epiphytes - these are plants which live on the branches of trees high up in the canopy.

Explanation:

How does the fact that infants raised on breast milk were nine times less susceptible than bottlefed infants to lymphoma demonstrate that there may be a link between something in human milk and cancer-cell destruction?

Answers

Answer:

True.

Explanation:

The fact is true that the human milk helps in the destruction of cancers due to presence of Human Alpha-lactalbumin. Human Alpha-lactalbumin is a type of protein that is present in the breast milk that has the ability to kills the cancer cell so we can say that the great link is present between human milk and cancer-cell destruction and the infants that feeds on human milk has no chance of cancer disease.

can someone please explain to me the biomes

Answers

Answer:

Biome, also known as a major life zone, is an area that includes communities of plants and animals that have a common adaptation to that particular environment.

Substances that are altered by the action of proteases are
known as
1) substrates
2)lipids
3)polysaccharides
4) phosphates

Answers

Answer:

Substances that are altered by the action of proteases are known as: 1) substrates.

Explanation:

Protease is an enzyme, therefore a substrate would have to fit the enzyme, which forms an enzyme-substrate complex. This causes a chemical reaction since enzymes are biological catalysts. Many enzymes often change their shape so that the substrate can fit at the active site.

I hope this makes sense!! ^-^

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