Contemporary landscapes result from many causes, including variability in abiotic conditions, such as climate, topography, and soils; biotic interactions, such as competition, mutualism, herbivory, and predation, that can generate spatial pattern even when environmental conditions are homogenous; natural disturbances. I hope this helps :)
The mass is made up of protons and neutrons, the valence electrons only determine stability, not mass
Explanation:
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells.
cells are bigger than atoms. We can see cells with a microscope. Just as atoms have smaller parts called protons, neutrons, and electrons, cells have smaller parts, too. When you look at cells with a powerful microscope, you can clearly see hundreds of them.
Answer:
The picture is upside down
Explanation: