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3 years ago

When you are sick, extra white blood cells are created by the _____.

Biology

2 answers:

azamat3 years ago

8 0

The lymph system creates extra white blood cells.

den301095 [7]3 years ago

3 0

The correct answer is A) lymph system.

When you are sick, extra white blood cells are created by the lymph system.

As part of the immune system in the human body, the lymph system regulates fluid balance and absorb fats. It is a network of vessels in the human body that passes through all the tissues for the lymph fluid to move. It similarly circulates the body as the blood does. The lymph nodes swell in the presence of an infection. That is when you have to go see a medical doctor.

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Question 3<br> Contaminants and pollutants cannot enter groundwater<br> O True<br> O False

Gala2k [10]

Answer:

false

Explanation:

groundwater groundwater has an abundance of contaminants and pollutants

7 0

3 years ago

Identifying Biogeochemical Cycles

Naya [18.7K]

Water,Nitrogen, phosphorus and carbon are items that are cycled through the biosphere in biogeochemical cycles.

Explanation:

Biogeochemical cycles maintain the balance of elements and compound in nature.
These help the chemical substances to circulate through different spheres of the earth.
They are, water cycle, sulphur cycle Nitrogen cycle, Carbon cycle ,Phosphorus cycle etc.
If the biogeochemical cycles were not present then elements such as nitrogen , phosphorus carbon should have got completely used up instesad of getting replenished. Thus, making several metabolism stagnant.

8 0

4 years ago

Read 2 more answers

Classify the following gas planets as terrestrial planets or gas giants

kkurt [141]

<h2>Answer:</h2><h3>Part 1.</h3><h3> Celestial body A is the largest planet in the solar system.</h3>

It is Jupiter which is a <u>Gas giants.</u>

Jupiter is mostly made of gas.

According to above statement, It is the Jupiter which largest planet in our solar system. Jupiter's mass is more than 300 times that of Earth, and its diameter, d, at 140,000 km.

<h3>Part 2. </h3><h3>Celestial body C has optimum conditions to sustain life.</h3>

It is earth which is a<u> terrestrial planet.</u>
Because it is mostly made of silicate rocks and minerals.

According to statement, earth is that planet because it has living optimum conditions. Like the oxygen concentration, water, plants etc.

Celestial body E has the most volcanoes in our solar system apart from earth. It is the second closest planet to the sun.

It is Venus and it is a<u> terrestrial planet.</u>

Venus orbits sun every 224.7 Earth days.

It has the longest rotation period of any planet and it rotates in opposite direction to most of the planets in the Solar System.

<h3>Part 4.</h3><h3>Celestial body H is the second largest planet in the solar system and has visible rings.</h3>

It is Saturn which is a <u>gas giant.</u>
Because it is mostly consists of gases and it also has ring of gases around itself.

it is 9.4 times as large as the Earth. It also has a large and bright ring system.

<h3>Part 5.</h3><h3>Celestial body D has 17 times more mass than earth and has gravity that is 1.14 times that of earth. </h3>

It is Neptune and it is a <u>gas giant</u>.
It has mostly gaseous composition, such as hydrogen and helium.

Neptune is the eighth and farthest known planet of the Solar System. It is also the third most massive planet.

<h3>Part 6.</h3><h3>Celestial body G has a core that consists of iron sulfide mixed with nickel and is the second smallest planet in the solar system.</h3>

It is mars and it is a<u> terrestrial planet</u>.
Mars is the second smallest planet while mercury is first smallest planet after the exclusion of Pluto from solar system.

The surface of mars is covered by talcum powder type dust. It contains elements besides silicon and oxygen, are iron, magnesium, aluminum, calcium, and potassium.

<h3>Part 7.</h3><h3>Celestial body I had a core composed of nickel iron alloy rock surrounded by an outer layer of hot fluid. The fluid contains water, ammonia, and methane body I has 27 moons .</h3>

This is Uranus and it is a<u> gas giant</u>.
is the seventh planet of the Solar System.

According to radius, it is on third number and according to mass it is forth largest planet. Its composition is more similar to Neptune.

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6 0

4 years ago

How can pesticide use be harmful to human agriculture?

iogann1982 [59]

The Answer is (A)
Because the pesticide will kill off the bugs and weeds but will damage the soil so after the crops you have in the ground now just will not grow there again until 1 year after the pesticide has washed away
hope I helped

4 0

3 years ago

Read 2 more answers

Macromolecules and Carbohydrates

zvonat [6]

Answer:

Explanation:The large molecules necessary for life that are built from smaller organic molecules are called biological macromolecules. There are four major classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids), and each is an important component of the cell and performs a wide array of functions. Combined, these molecules make up the majority of a cell’s mass. Biological macromolecules are organic, meaning that they contain carbon. In addition, they may contain hydrogen, oxygen, nitrogen, phosphorus, sulfur, and additional minor elements.

Carbon

It is often said that life is “carbon-based.” This means that carbon atoms, bonded to other carbon atoms or other elements, form the fundamental components of many, if not most, of the molecules found uniquely in living things. Other elements play important roles in biological molecules, but carbon certainly qualifies as the “foundation” element for molecules in living things. It is the bonding properties of carbon atoms that are responsible for its important role

7 0

3 years ago