Vitamin A deficiency is the leading cause of preventable blindness in children.
Answer:
D
Explanation:
its just d
I learned it my freshman year in science class, quite easy
1. The producers in this food web are the tree, plant, and bush in the bottom right.
2. The primary consumers are the giraffe, rhino, bug, mouse, and deer.
3. Three secondary consumers are the bird, fox, and monkey.
4. Three tertiary consumers the skunk and whatever that thing is between the monkey and fox (the image is blurry).
5. Two quaternary consumers are the vulture and the monkey.
Answer:
Sound is a type of energy made by vibrations. When any object vibrates, it causes movement in the air particles. These particles bump into the particles close to them, which makes them vibrate too, causing them to bump into more air particles. This movement, called sound waves, keeps going until they run out of energy.
