Which activity directly converts energy from the sun into chemical energy? a. a snake lying on a sunny rock to keep warm b. a rabbit using energy from food it has eaten to run c. a bean plant making its own food to grow d. a person burning firewood to cook food

Which of the following describes something an engineer would probably do first when developing new technology meant to reduce ocean pollution? o a. evaluate the benefits and challenges of using certain chemicals to purify water. o b. research new scientific findings in regard to ocean cleanup. o c. identify the need to reduce ocean pollution. o d. research what has been done in the past to clean up oceanic oil residue.

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?