Calcium carbonate + sulfuric acid -> calcium sulfate + carbon dioxide + water
3 + 24→4+ 2+2
Experiments with cathode ray tubes led to the discovery of the electron (electrons).
Or I think the t.v
The correct answers are 1 and 4.<span>
1. Both are hormones that control glucose
production and storage in the body.
2. Insulin and glucagon have opposite effects on
blood glucose level.
<span>Both hormones are secreted by the pancreas. Pancreas has 2 cells as alpha and beta. alpha cells
produce glucagon and beta cell produce insulin. Insulin is responsible for decreasing blood glucose
level and glucagon is responsible for increasing blood glucose level. Hence,
both hormones have opposite effects on blood glucose level and they help to
maintain blood glucose level.</span></span>
<span> </span>
I would say C but I’m not entirely sure
Answer:
The middle hydrogen is bonded to 2
elements.
Each hydrogen must be bonded to one element which is oxygen