In the future, regular travel between the planets in our solar system will become possible. Suppose spacecraft can only travel along the following routes: Earth - Mercury, Pluto - Venus,
Earth - Pluto, Pluto - Mercury, Mercury - Venus, Uranus - Neptune, Neptune - Saturn,
Saturn - Jupiter, Jupiter - Mars, and Mars - Uranus. Can a traveler get from Earth to Mars?

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.