Answer: creating an ozone layer to shield life from UV rays
Cynobacteria or blue green algae is the strain of bacteria, which was able to produce oxygen in the primitive earth as a result of photosynthesis. The abundance of oxygen in the atmosphere formed the ozone layer in the upper atmospheric layers, these layers are protective enough to provide a shield against the harmful UV radiations incident on earth coming from the sun.
Answer:
a. efficiency and practicality
Explanation:
Believing that every problem has a solution is a part of efficiency and practicality. These set of values are highly invaluable in work place. Most recruiters are always after solution oriented job seekers. They tend to always find their ways around any conundrum in the work place.
Answer:I believe the cells would burst.
Explanation:
Water would keep moving in because of the imbalance.
During Interphase the cell undergoes DNA replication.
Answer:
the heart is separated into two sides so that it can carry out its function well. The right heart contains deoxygenated blood and the left heart with oxygenated blood. the two sides are separated from each other so that the blood from the two sides don't get mixed. this leads to effective oxygenation of the deoxygenated blood in the right heart through pulmonary circulation and effective oxygenation of the tissues in the different parts of the body by the oxygenated blood of the left heart through systemic circulation.
Explanation: