To test a new drug that has the potential of curing people of the common

cold, a company asked human volunteers who were coughing and sneezing

to participate in a clinical study. the objective of the experiment was to test

whether the new drug could cure the volunteers in the experimental group of

the common cold.

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation:

yes we can.   a lady urinates from her urethra.