The characteristics that photosynthesis and combustion share are a] They both involve chemical change. b] They are both endothermic. c] They both start with chemical energy. d] They both occur in living organisms.
0.00996 in scientific notation is 0.0996e-1.
Alkali metals
Hydrogen only needs one more valence electron to fill it's out shell. So it belongs with the alkali metals.
Answer:
d. pair
Explanation:
because,H3PO4 is a strong acid
Answer:
by increasing temperature