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Verizon [17]
3 years ago
14

Only 3% of the Earth's water is fresh and two thirds of that is polluted. True or false ?

Biology
2 answers:
Yuri [45]3 years ago
5 0

Answer:

It's

Explanation:

ycow [4]3 years ago
3 0

Answer:

i think its True? Have a nice day

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Which of the following is NOT a characteristic of life? Also, explain why and I give you a 5 stars.
Fantom [35]

Answer:

c

Explanation:

a b and c are all signs of life but energy can be in objects not just life.

7 0
3 years ago
Carbohydrates, lipids, proteins, and nucleic acids are the four biomolecules critical for the structure and function of living t
yan [13]

Answer:

Providing energy and regulation of blood glucose.

Sparing the use of proteins for energy.

Breakdown of fatty acids and preventing ketosis.

Explanation:

The main function of carbohydrates is to provide energy and regulation of glucose in the blood.  It prevent the use of proteins for production of energy and also promote breakdown of fatty acids and preventing ketosis. Ketosis is a process that occurs when our body doesn't have carbohydrates in sufficient quantity for the production of energy. Carbohydrates are the first biomolecules that are used for energy production.

8 0
2 years ago
One difference between DNA and RNA is that
dybincka [34]
A is the answer. Hope that helped.
7 0
3 years ago
Read 2 more answers
Which human activity has aggravated the ecological issue of global warming
Zina [86]
There are many human activities that have aggravated the planet through the phenomena of global warming. However, the biggest contributor to global warming is human use of fossil fuels and the resulting emissions from this use. The use of automobiles, factories, and other fossil fuel burning activities have led to a dramatic increase in greenhouse gases in the atmosphere which has led to global warming. 
8 0
3 years ago
An individual’s blood-type alleles carry instructions that direct construction of a specific set of chemicals that protrude from
konstantin123 [22]

Answer:

Antigens

Explanation:

Antigens can be defined as molecules that can bind to antibodies. Many authors prefer to define it as any substance capable of eliciting a response from the immune system, however there are antigenic substances that react with the antibody but are not able to stimulate its production.

Antigens are usually unknown molecules in the body. Molecules that detach from foreign cells such as bacteria, fungi, protozoa or even viruses can be considered antigens. Toxins released by bacteria are also examples of substances that can bind to antibodies.

When an individual's blood-type alleles have instructions that direct the construction of a specific set of chemicals that protrude from all red blood cells, these chemicals are the antigens.

4 0
3 years ago
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