What is the main purpose of the endocrine system is to produce:
a. neurons.
b. hemoglobin.
c. hormones.
d. white blood cells.

The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste. the percentage of food that the united states wastes each year is %.

What are characteristics of minerals? select 3 choices

How do plants obtain more sunlight a.) they lean towards the light b.)they grow straight up c.) they only live in sunny areas, like the tropics d.) they stay low to the ground