Esci 501 exam 1 - Study guides, Class notes & Summaries

What are the driving forces for the tides? - correct answer Gravitational attraction and centrifugal forces within the earth-moon-sun system What are the variables that determine the gravitational attraction between two bodies? - correct answer F= Gm1m2/r^2 m1 & m2 are the masses of the two objects r is the distance between objects G is the gravitational constant Why are there (generally) two high tides and two low tides each day? - correct answer Tides are pulled to ea...

accretion - correct answer An increase in the mass of a body by accumulation or clumping of smaller particles big bang - correct answer The hypothetical event that started the expansion of the universe from a geometric point; the beginning of time. Biosynthesis - correct answer The initial formation of life on Earth. condensation theory - correct answer Premise that stars and planets accumulate from contracting, accreting clouds of galactic gas, dust, and debris. ...