Answer:
C
Explanation:
Walter B. Cannon coined the term to describe the process of maintaining the internal environment in a relatively constant condition.
The answer is oxidation or chemical weathering. There are three main types of weathering, which includes, mechanical weathering, biological and chemical weathering. Mechanical weathering is caused by wind, sand rain, thawing, freezing, and other forces that can physically alter the rock. Biological weathering is caused by the activities of plants and animals as they grow, nests and burrow. Chemical weathering is caused by chemical reactions rather than by mechanical means.
Down syndrome can occur as the embryo has an extra chromosome. As well as this the embryo may die.
C. Depression
Due to it asking about Psychological rather than Physical effects.
All planets receive light from the Sun, but no planet uses it as usefully as Earth<span>. Trees and plants on the planet produce oxygen through a </span>process<span> called photosynthesis. Plants need the Sun to grow.</span>
