The salt water dissolves the gummy bear
Question 13) Answer A
Scavengers eat the already dead and killed animals
Question 14) Answer A
Abiotic means non-living. Plant life is living. Everything else is not alive.
Question 15) Answer D
Ecology: <span>The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
~Deceptiøn
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The beaver is a keystone species because it is an important organism in an ecosystem. Without, the other species would not be able to survive. The biotic factors used the beaver are plants, specifically, branches and twigs. They make use of these to build dams that help many different animals.
The whiff of the perfume of Tammy reached the nostrils of Jim through the process of diffusion. The process of diffusion can be defined as the process by which the substances (liquid and gases) move from one place to another from the area of high concentration to the area of lower concentration. The particles of the perfume move from the Tammy's body (high concentration) towards Jim through the air (low concentration).
Hence, the answer is 'Option B - diffusion'.