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ohaa [14]
3 years ago
7

In the 1980s laws were passed to reduce the amount of certain chemicals used by companies and individuals. According to these la

ws, the use of chlorofluorocarbons, or CFCs, should be reduced and eventually eliminated. These compounds contain chlorine and cause problems when released into the Earth’s atmosphere.
These laws are meant to reduce which human-induced environmental change?

nonnative species introduction
non-sustainable harvesting
ozone layer depletion
eutrophication
Biology
2 answers:
labwork [276]3 years ago
7 0
Eutrophication, I had this question the other day
sergejj [24]3 years ago
3 0

Answer:

Eutrophication

Explanation:

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Which of these vessels receives blood during ventricular systole? A) both the aorta and pulmonary trunk B) aorta only C) pulmona
MrRissso [65]

Answer:

a. both the aorta and pulmonary trunk

Explanation:

your welcome

8 0
3 years ago
A rabbit’s intestine helps it digest cellulose, which is a time-consuming and complex process. To digest cellulose, rabbits requ
sladkih [1.3K]

Answer: A

Explanation: A rabbit and bacteria are both living so following MRSGREN they both must obtain nutrients and water and get rid of waste.

4 0
2 years ago
The Na+/K+ ATPase pump is an example of active transport, which requires energy to move substances from a higher concentration t
Afina-wow [57]

Answer:

False

Explanation:

Active transport is one of the two major kinds of transport (the other being passive transport). Active transport involves moving substances against their concentration gradient i.e. from where they are low in concentration to where they are high in concentration. Hence, energy input in form of ATP is required by the cell to make this occur.

As stated in this question, the Na+/K+ (sodium-pottasium) ATPase pump is an example of active transport, which requires energy to move sodium ions. However, in active transport, substances are moved from a lower concentration to a higher concentration and not otherwise as depicted in this question, hence, it is FALSE.

7 0
2 years ago
What is the structures which line up in the middle of the cell during METAPHASE? Question 3 options:
oee [108]

Answer:

During metaphase, the cell's chromosomes align themselves in the middle of the cell through a type of cellular "tug of war." The chromosomes, which have been replicated and remain joined at a central point called the centromere, are called sister chromatids

3 0
2 years ago
Without CV circulation, body tissues are deprived of nutrients and _____________________.
mrs_skeptik [129]

Answer: Respiratory gases(Oxygen)

Explanation:

The essential role of cadio vascular system is to supply blood; containig metabolites (glucose,amino acid, fatty acid and glycerol) and gases expecially Oxygen,needed for combustion of these nutrients(metabolites) in mitochondrial of cells (cellular Respiration) to generate ATPs for biochemical activities of the body.

6 0
2 years ago
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