Answer:its " with monitoring, the concentration of every pollutant has decreased."
Explanation: just took it on Ap3x
There are four main types of tissue: muscle, epithelial, connective and nervous. Each is made of specialized cells that are grouped together according to structure and function. Muscle is found throughout the body and even includes organs such as the heart. Our outer layer of skin is epithelial tissue.
<u><em>Turtles are reptiles of the order Characterized by a special bony or cartilaginous shell developed from their ribs and acting as a shield.A turtle is faaster than a human,But it shell is heavy,and its house.</em></u>
Answer:
Population density. Population distribution.
Explanation:
Dataare available for the study of seasonal variation in the incidence of one females. The proportion of males at birth is known as the secondary sex ratio.
