Answer:
Evaporation.
Explanation:
Most cases of dropping water levels are simply evaporation, usually caused by higher temperatures in warmer climates.
The planets appeared to move backward in the sky occasionally.
Answer:
a, b, d, and f.
Explanation:
<em>The periwinkle snails feed on plants. Consequently, they are said to herbivorous and heterotrophic since they cannot manufacture their own foods. They are also referred to as primary consumers because they directly feed on plants without any other nutritional option. They, therefore, occupy the second trophic level on a typical food web. </em>
The correct options are a, b, d, and f.
The process of __clonal selection__
The answer is c because we just learned about it today. Viruses destroy cells
