Will give ! part 1: name two elements that have the same properties as calcium (ca). part 2: determine the number of protons, electrons, and neutrons present in an atom of sodium (na).

Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.

Idon’t know how to solve this question

If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?