Answer:
A. It is day at location A and night at location B
Explanation:
Answer:
...it is necessary for life.
Explanation:
continues to exist on the surface of Earth because the planet is at a distance far enough from the Sun that it does not lose its water to the runaway greenhouse effect, but not so far that low temperatures cause all water on the planet to freeze.
Explanation:
Molecules of reactants and products undergoes chemical changes when they combine.
The combination leads to the breaking of bonds and rearrangement and this brings about the formation of new products.
- Atoms in molecules tends towards stability
- They often want to mimic the noble gases and would keep rearranging until stability is attained.
- This leads to the formation of new compounds in the product end of the reaction.
1. Biologists, just like astronomers examine past data to determine what was and what is likely to be, they both look back in time. Biologists study fossil records, and astronomers use the telescope to study galaxies.
2. Both biologists and astronomers seek to understand and appreciate life, for the biologist here on earth, and for astronomers in space.
3. There is uncertainty on both sides about the future evolution of the universe. What guides them is the past, and none is sure of the future evolution.