Formation of the Earth's Atmosphere. The early Earth was very different from our Earth today. The early Earth experienced frequent impacts from asteroids and meteorites and had much more frequent volcanic eruptions. There was no life on Earth for the first billion years because the atmosphere was not suitable for life.
Answer:
D. the nucleus contains the protons and neutrons which takes up most of the mass of the atom
Explanation:
AUGCGAGGUAUAGCGAUUAGCGGCCUAGUCUAA because A goes to U; T goes to A; G goes to C; C goes to G.
D. Estuaries
Estuaries are a place where fresh and salt water mix.
It gives you a sign that digestion is having a hard time taking place.
