i dont understand what you are saying but water gets evaporated from the oceans due to the suns warmth all the water vapors condense, once the clouds get too heavy and there are too many water vapors in the cloud for it to handle, it percipitates (rains)
A dog breathes in oxygen and then releases carbon dioxide when he exhales. Conversely, a tree gives off oxygen and takes in carbon dioxide. So the breath of the dog sustains the tree while the output of oxygen for the tree sustains the dog.
Answer:
I believe that the protists were the first organisms on earth. And the other 5 kingdoms then came from the protists.
I think that's it! :)
2. This statement rephrases the principle of uniformitarianism. The correct option among all the options that are given in the question is the third option or the penultimate option.
3. A worm would would stand a poor chance of being fossilized because worms have no hard parts. The correct option among all the options that are given in the question is the third option.
Answer:
1. specialized cells
2. extracellular protein fibers
3. a fluid known as ground substance
Explanation: