Answer:
atoms
Explanation:
atoms are the smallest unit of an element
Answer:
Keratin
Explanation:
Granules cross-link filaments of keratin making stratum granulosum a dense barrier. Since granules are insoluble and keratin structures are dense, the skin act as a impermeable layer.
D)tropical rainy
It’s cause plant need water to grow
Oil spills have been one of the most common forms of ecological destruction of marine life, most especially the coral reef systems. The presence of oil in the water surface would block sunlight and oxygen supply to the marine animals. Among the most destructive forms of oil spill as of recent date was the incident that happened in the Prince William Sound.