1. a vibration of an electric charge. 2.transmits energy from the sun to earth 3. a wave which has both an electric and a magnetic component 4. the speed of this wave decreases as the medium becomes denser. what type of wave is being described by the statements above?

b. heterotroph

explanation:

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this

c. the initial amount of money placed in the savings account

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.