Answer:
Matter can change into different forms of energy, but it cannot be created or destroyed. Matter is 'conserved,' according to the Laws of Conservation. Even when matter is transformed, it contains the same amount; none is lost.
hope this helps.
Answer:
C
Explanation:
Over time the pond accumulates nutrients. This enrichment process is called eutrophication. The addition of nutrients stimulates the growth of aquatic life. These organisms live and grow and die
They're called autotrophs. Is that what you're looking for?
Well, if maltose contains carbon, hydrogen, and oxygen, but not nitrogen, then maltase must contain nitrogen!
Your answer is 4.), nitrogen! :) I hope this helps!