Answer:
7 neutral
Explanation:
it is because water is something that has no taste and it's expands because of the pressure that it's feeling
Isotopes are different versions of an element or different versions of a certain kind of atom. In order for an atom to be an isotope, it must have the same number of protons because the protons determine what kind of element it is. Also, there must be a different number of neutrons in the core the atom.
Answer:
In most cases, many species share a habitat, and the interactions between them play a major role in regulating population growth and abundance. Together, the populations of all the different species that live together in an area make up what's called an ecological community.
Explanation:
Sedimentary rocks can be dated using radioactive carbon, but since carbon decays pretty fast, this only works for rocks younger than around 50 thousand years. So to date most older fossils, scientists look for layers of igneous rock or volcanic ash above and below the fossil. Hope that helps.