Residence time is the . Group of answer choices length of time a pollutant spends in the environment chemical change that occurs with time, when substances are altered by the sun or metabolized by microorganisms length of time it takes to produce toxic chemicals in the environment length of time it takes for chemicals to be stored in the tissues of living organisms chemical change that occurs with time, when substances alter the growth and development of humans

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.

Which of the following human activities resulted in the growth of the north american deer population?