I dont c descriptions but heres the answer ;)
<span>desertfication is the expanding of deserts, and the shrinking of other ecosystems ;)</span>
Streak i think you may want to wait for a better answer.
Answer:
Carbonate sedimentary rocks
Explanation:
Carbonate sedimentary rocks are the rocks that are primarily comprised of carbonate minerals such as calcite or aragonite. They are formed chemically. These rocks are formed when Carbon is initially trapped with the accumulation of sediments over it in association with fossil shells. They are also formed due to the dissolution or precipitation by groundwater, depending upon the temperature, pH and dissolved ions present in the solution.
They are often marked by the presence of karst topography and caves.
Some examples of these rocks are limestone and dolomite.
Answer:
The answer would be A.
Explanation:
It would be a because comets orbit around the sun and has a very small chance at crashing into the Earth.
<span>Relationships Between Organisms and the Environment. The teacher understands the relationships between organisms and the environment. Ecology is the study of the interactions between organisms and their physical and bioticenvironment.</span>