Answer: core
Explanation:
The core is the thickest layer of the Earth, and the crust is relatively thin, compared to the other layers.
Answer:
Refraction
Explanation:
C. The light is bent and transmitted
Answer:
Oxygen.
Explanation:
Aerobic respiration occurs in the presence of oxygen.
Answer:
Enrichment helps satisfy both the physical and psychological needs of animals and allows them to make choices. Thus, animal enrichment creates a win-win-win situation for the animals, visitors and keepers! In the wild, animals must find food, defend territories, escape predators and build homes.
Answer: Nutrients and Sunlight
Explanation:
Nutrients and sunlight are two important factors for photosynthesis. Nutrients are necessary for keeping the plant alive these nutrients such as inorganic minerals are obtained by plants through soil. The sunlight is essential for splitting the molecules of water so as to produce oxygen as a product along with carbohydrates.
