Protoplanets are bodies or celestial objects which have the same size as the moon or a bit bigger. These bodies develop to eventually become planets. Therefore, the answer to this item is most likely letter D. outer planets.
<span>This is coevolution. During this process, two species will, in a reciprocal fashion, affect the evolutionary pattern that each experiences. In this case, the rabbits developed a resistance to the virus, which caused the virii to lose their overall potency.</span>
Abiotic are the non-living physical and chemical factors that can affect the ecosystem, such as amount of water, temperature, amount of sunlight, etc.
Biotic are the living organisms inside the ecosystem, and can include humans, animals, and plants.
~
<span>The summer solstice is the longest day of the year because the earth is tilted toward the sun</span>
