Answer:
Astronomers can use telescopes to look at very distant galaxies. This is how they see what the Universe looked like a long time ago. This is because the light from distant parts of the Universe takes a very long time to reach us. From these observations, it seems the physical laws and constants of the Universe have not changed.
Physicists are currently unsure if anything existed before the Big Bang. They are also unsure whether the size of the Universe is infinite.
It is dependent on the availability of nutrients. Hope this helped:)
Answer:
there are times when your need to save elephant they balance life also so yes save elephants
Explanation:
Answer:
B) The sample has cells, so it must be alive, because all living things are made up of one or more cells.
Explanation:
A cell is the smallest unit of a living thing. A living thing, whether made of one cell (like bacteria) or many cells (like a human), is called an organism.
What I'm trying to say is each cell is capable of converting fuel to useable energy.Therefore, cells not only make up living things,so they are living things. Cells are found in all plants, animals, and bacteria.