The first blank is osmosis, I'm not sure about the second
Theories explain phenomena, whilst laws are generalizations which characterize them.
Answer: Friction
Explanation: Sir Isaac Newton, a soccer ball on the grass will stay where it is unless acted on by a force.
Answer:
D. DDT
Explanation:
DDT is highly persistent in the environment means that it break down very slowly in the environment. The half-life for DDT is from 2 to 15 years. Half-life is the time needed for the degradation of half of the compound. Persistent bio-accumulative toxic substances (PBTs) are chemicals that break down slowly in the environment and its accumulation in living organisms are toxic. Some PBTs are dispersed through air currents while some uses other environmental pathways, resulting in contamination of regions far from their points of origin.
Answer:
Wolves can also increase tourism.... Wolves were introduced for habitat conservation at Coronation Island, Alaska in 1960, and there they successfully managed deer before the wolf population expanded and then crashed.
