Which of the following is not a branch of natural science ?
a. life science
b. earth and space science
c. physical science
d. social science

In which of the following relationships is one organism always benefited while the other organism is always harmed

What is one way intensive agriculture can contribute to climate change? a. tree loss to agriculture increases earth's albedo b. livestock manure absorbs greenhouse gases c. large herds of livestock release greenhouse gases d. fewer trees are available to replenish petroleum stores appex

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water