Answer:
D.
Explanation:
D. the Sonoran Desert and a temperate rain forest
I'll say that it is +1 since hydrogen is desperate to lose an electron to fulfill the octave rule (that the molecules want to gain 8 electrons and if they can't do it, they want to lose all their electron). Electron is - so if it lose a electron, it becomes +.
Hopefully this helps.
PS. I'm not certain of my answer but it is logical.
Answer:
Louis Pasteur was the scientist who confirm that bacteria and other microorganisms is the reason for variety of diseases.
Prokaryotic cells are cells that can function independently. They consist of everything needed for that cell to nourish itself and to grow and reproduce.
The sun because of photosynthesis in plants, then herbivores who eat plants then the carnivores who eat the herbivores who ate the plants.
