Answer:
weak acid
Explanation:
4-6.9 belongs to weak acids
Answer:
This similarity indicates that mice share a common ancestor with humans. Mice have a tail, while humans have a tailbone
It is an organic substance.
Answer:
Amphibians
Explanation:
They had just shown up during the Carboniferous period and were still living in the water.
Answer:
tRNA and mRNA can leave the nucleus.
Explanation:
tRNA, when mature and correct, can leave the nucleus and enter the cytoplasm. mRNA can leave the nucleus through pores in the nuclear membrane. However, DNA cannot leave the nucleus, it has to be transcribed into RNA.