Answer:
According to the current fossil record, scientists believe that the life on earth began about 3.5 billion years ago.
Answer:
1:the spiders venom.
2:no a mutation is a physical change
3:yes
planation:
One difference is that DNA is a double strand and RNA is a single strand. Another difference is that sugar in a RNA molecule is ribose, and the sugar in the molecule in DNA is called deoxyribose. Hope this helps, good luck!
Carbon is harmful to the earth, as known. And when it reaches water it’ll effect humans in many ways, it’ll usually make the water more acidic! And for us humans it’s harder to filter the water.
