Answer:
C) human actions altering ecosystems with serious consequences
Explanation:
The increase in the manatee´s death during 2011-2012 might be directly related to human actions.
The increase in the number of people during the last 50 years to more than 500,000 individuals, and probably the lack of policies and regulation, lead to an enhance in water pollution by sewage tank leaks.
Pollution probably caused a gradual decrease in the manatee´s principal source of food, which also caused an increase in the toxic algae population.
Algae caused the death of manatees as a consequence of human action that altered the natural ecosystem by polluting water.
Answer:
The meaning of word molecule is The group of atoms forming a group is called molecule
In simple word , 2 or more atoms combine together to form a molecule for ex - Carbon dioxide ( 2 atoms of carbon and 1 atom of oxygen)
It is most likely Vulval herpes.
It is infection caused by Herpes simplex type I or type II. Herpes is manifested with vesicles that are aggregated and filled with clear fluid. These vesicles later rupture and thus form ulcers. Symptoms include pain, burning, or itching.
i believe that the answer is c, hope this helps :)
The carbon cycle is a cycle the reuses carbon ( Carbon is never used up )it is constantly being reused and added to but never decreases.