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borishaifa [10]
3 years ago
15

Why does the moon appear to change shapes in the sky?

Biology
1 answer:
frozen [14]3 years ago
8 0

Answer:

D

Explanation:

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You are studying with a classmate, who explains that increasing the amount of nutrients in a lake helps submerged, rooted aquati
Nataly_w [17]

Answer:

E-You disagree because the resulting increase in phytoplankton at the surface would inhibit sunlight from penetrating into the water, thus inhibiting photosynthesis in the submerged plants.

Explanation:

Eutrophication is the process wherein nutrients specifically phosphorus and nitrogen are present in excess in a water body such as a lake. The increased concentration of nutrients promoter the growth of cyanobacteria and algae such as phytoplankton.

The increased population of phytoplankton in surface water reduces the oxygen availability and clarity of water for the organisms present in deeper layers.  Also, reduced clarity of water limits the amount of solar radiations penetrating the surface water to reach the deeper layers.

Increased nutrient levels of the lake would rather inhibit the growth of submerged plants due to reduced availability of sunlight as caused by presence of phytoplankton in surface water.  

5 0
3 years ago
How does the heart keep the blood flowing throughout the body?
madam [21]
It contracts and relaxes!

Hope this helped u!!
8 0
3 years ago
What is a job of the skatetal system? Remove wast. Protect organs. Exchange oxygen and carbon dioxide. Deliver nutrients to the
MrRa [10]

Answer:

The correct answer is - Protect organs

Explanation:

The skeletal system is the internal frame of the body that includes all the bones and joints present in the body. There are 206 bones in the adult human skeletal system.

The major roles of the skeletal system to help in movement, support, and protecting vital organs such as hearts, stomach, lungs, brain, and other organs. It also helps in movement and providing support to the body.

4 0
3 years ago
The most abundant element in the atmosphere can also be found in
alisha [4.7K]

Answer:

beans and whey protein

Explanation:

7 0
3 years ago
Read 2 more answers
Which statement best describes the effect of the low density of frozen water in a lake
Arada [10]

Answer:

Explanation

Water in a lake freezes from the bottom up, killing most aquatic organisms. When water in a lake freezes, it floats, providing insulation for organisms below. ... If water were most dense as a solid, lakes would freeze from the bottom up, eventually freezing solid.

4 0
3 years ago
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