The number of electrons/protons (both are the same number) is equal to the atomic number.
Brainliest please :)
it separates the inside of the cell from the environment outside and it controls substances moving in and out of the cell (selectively permeable)
Yes, sure!
1) Moving Water - Water, when running for a long period of time, can actually start to weather rocks.
2) <span>Ice wedging - Yep, this can cause rocks to weather as well. Water, when being constantly frozen and unfrozen weathers the rock due to the fact that water is able to expand.
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3) Plant Roots - Ah, these little nutrient grabbers can certainly weather rocks over periods of time.
4) Winds - Winds can certainly physically weather the rocks, and it's probably the most common way they do.
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1. ribosome
2. false
3. true
4. 3
5. all eukaryotes
6. true
7. mitochondria
