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IrinaK [193]
3 years ago
7

How is the phloem in a leaf related to the roots of the plant?

Biology
1 answer:
wel3 years ago
6 0

Answer:

The phloem carries important sugars, organic compounds, and minerals around a plant. Sap within the phloem simply travels by diffusion between cells and works its way from leaves down to the roots with help from gravity. The phloem is made from cells called 'sieve-tube members' and 'companion cells'.

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Which gas is most effective in absorbing incoming harmful ultraviolet radiation in the earth's stratosphere before that radiatio
artcher [175]

Answer:

Ozone (O₃) gas

Explanation:

In the Earth's stratosphere, oxygen gas (O₂) is combined with atomic oxygen (O) to form ozone gas (O₃). This is very important because ozone protects the life on Earth from ultraviolet (UV) radiation from the Sun. UV radiation is high-energy radiation, and it is very dangerous for living organisms. Ozone molecule (O₃) absorbs UV radiation and it breaks down by forming O₂ and atomic oxygen (O) again. In this way, it protects the Earth from nocive radiation.

6 0
3 years ago
What are the main parts that make up the endocrine system and what are their function
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Main parts and their functions :

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- Pituitary gland : Produces essential hormones for everything living such as the growth hormone, adrenocorticotropic hormone, thyroid stimulating hormone, luteinizing hormone and follicle stimulating hormone, etc.

- Thyroid gland : Produces thyroid hormones that regulate the body metabolism, play an important role in bone growth and development of the brain and nervous system in children!

- Parathyroid glands : Release parathyroid hormone which plays a role in regulating calcium levels in the blood and bone metabolism.

- Adrenal glande : Produce hormones that help the body control blood sugar, burn protein and fat, react to stressors, and regular blood pressure.

- Pineal body/gland : Secretes the melatonin hormone which may help regulate the wake-sleep cycle of the body.

- Reproductive glands : Main source of sex hormones for males and females.

- Pancreas : Has digestive and hormonal functions. One part of the pancreas called the exocrine, secures digestive enzymes. While the other part of the pancreas called the endocrine, secretes hormones called insulin and glucagon. Overall, these hormones regulate the level of glucose in the blood.

Hope this helps :)





7 0
3 years ago
Which of the following would be an example of human/environment interaction?
Studentka2010 [4]
The pollution of boats can<span> hurt the animals it that water.</span>
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Threads of protein called _____ help form clots.
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The thread of protien called A. Fibrinogen helps form clots.

7 0
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Which of the following is true about elements?
AleksAgata [21]

Answer:

I believe the answer is D or B.

Explanation:

4 0
3 years ago
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