Answer:
Ba(OH)2(aq) + CO2(g) = BaCO3(s) + H2O(l)
Reaction type: double replacement
Explanation:
Answer: The correct answer is -C) Prevent the embryo from drying out.
The amniotic egg of birds and reptiles is surrounded by an outer, tough, and protective shell, which protects the egg from any damage, predators, pathogens, and drying out.
The tough shell and extra embryonic membranes create a safe environment where an embryo can develop into a whole organism (with different organs like eyes ,ears, brain, kidney, heart).
Thus, option C) is the right answer.
Answer:
what uhm subject it didnt show for me :/ and im slow sooooo
Explanation:
Answer:
Aluminum
Explanation:
I just used the Reactivity Series chart :)
The charge is 0. the 25 protons cancel out with the charge of the 25 electrons and the 30 neutrons are neutral. So the charge is neutral and 0.