Answer:
The active ingredients in many pesticides are chemical compounds that kill organisms such as insects, molds, and weeds. Proponents claim that the use of pesticides improves crop yields and thus protects land and soil by reducing the conversion of forests and wetlands to cropland.
Explanation:
The geosphere is the solid part of the earth. It has three components which are: the core, mantle and the crust. Thus, the mantle is a component of the geosphere.
The answer to the first question is a.
Synovial joint most common occuring type of joint, which also produces greatest kind of movement
