What are the two types of Earth's crust

One day, after much exercise, my friends and I were thirsty. Upon searching through the refrigerator, we found a variety of liquids to drink: water, orange juice with extra pulp, milk with extra calcium added and iced tea.

Bases: 1.) are generally proton acceptors 2.) produce OH - ions in soulutions 3.) are electron pair donors 4.) may include all of these characteristics

An example of an adaptation that gives an organism greater access to energy

Which element is a non-metal? A Bismuth B Chlorine C Lead D Calcium

Some fossils provide clues to the ...

Which pair of elements would form an ionic bond? A: C-O B: Sr-CI C: Cs-Ge D: Mg-AI

Which type of bonding involves the complete transfer of a valence electron from a less electronegative atom to a more electronegative one?

How many seconds are there in 23 days?

What happen to temperature & pressure as you go deeper into the earth

When does the car have the most kinetic energy 30 mph, 15 mph, or 0 mph