<span>(1) CH3CHCHCH3.................</span>
Answer:
The density of ice ice is lesser than that of water that's why ice floats on water. So hence, the answer is C
19) it's not balanced because when adding h2 and o2 u get h2o2 not h2o
20) I'm not sure
Answer:
when chemical bonds between atoms are formed or broken
Answer:
ice
Explanation:
uhh concrete has rougher surface