how are scientist approaching the study of Earth today?

2 answers

See the other post. Also you can search at www.google.com with varying search terms. Try these:

current study earth science

studying earth science now

modern study earth science

You can probably think of others.
The earth's differentiation and size were significant factors for life on Earth because Earth's composition and gravitational attraction _____.
a.keep the moon and sun in orbit
b.keep people grounded
c.helped to create and retain Earth's atmosphere
d.create and retain internal heat