Oceanic crust is thinner and denser than continental crust.
DNA, is like a blueprint of biological guidelines that a living organism must follow to exist and remain functional.
RNA, helps carry out this blueprint's guidelines.
It is called as conservation biology. Conservation biology
aims to protect species, their habitats and the ecosystem from extinction. It is
one field of ecology that focuses on the environmental problems caused by
humans. It aims to reverse and understand the cause of loss of biodiversity.
Answer:
Without oxygen, life on Earth would not exist as we know it. It has provided the supercharged air that has fuelled an explosion in the diversity and size of all living organisms, from the smallest shrimp to the biggest dinosaur
