Answer: C. there is more silicon than calcium at the surface of the earth
Explanation:
Answer:
D
Explanation:
It is D because animals cannot drink thought their skin, a and b dont really make sense. Think about a dog drinking water
Heterotroph is an organism that depends in complex organic substances for nutrition
Omnivore is 1. an animal that feeds on both animal and vegetable substances 2. a pain that eats all kinds of food
Carnivore is 1. any animal that eats on flesh 2. a terrestrial or aquatic flesh eating mammal
