Which statement best defines micronutrients? a. micronutrients can be synthesized only by microbial organisms. b. micronutrients are required by the body in small quantities. c. micronutrients are essential only for infants and children. d. micronutrients are naturally made by the body.

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

Which must be kept in mind when determining if an explanation is correct? check all that apply.which must be kept in mind when determining if an explanation is correct? check all that apply.

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.