What happens when eggs get older during storage? a. the color of egg yolk changes b. the size of aircell increases c. egg white becomes thinner d. both b and c are correct?

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

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 %.

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?