Which part of Earth's surface receives the most direct rays from the Sun?

A) Equator

B) Ocean

C) Poles

D) Mountains

The valence electrons of a germanium atom in the ground state are located in the (1) first shell (3) third shell (2) second shell (4) fourth shell

He second-order decomposition of hi has a rate constant of 1.80 x 10-3 m-1s-1. how much hi remains after 27.3 s if the initial concentration of hi is 4.78 m? a. 4.55 m b. 0.258 m c. 3.87 m d. 2.20 m e. 2.39 m

Why do Beryllium and fluorine combine in a 1:2 ratio?

An anaerobic reaction takes place only when there is plenty of oxygen only in the presence of nitrogen in water in little or no oxygen

Hydrogen has three isotopes with mass numbers of 1, 2, and 3 and has an average atomic mass of 1.00794 amu. This information indicates that 1. equal numbers of each isotope are present 2. more isotopes have an atomic mass of 2 or 3 than of 1 3.

Divide the difference between one thousand three hundred and nine hundred fifty by 4

Is crashing cans a physical or chemical change? Explain why?

What happens during a mosquito 6 chromosomes to form eggs.

How does the Richter scale best demonstrate the power and the destructive nature of an earthquake?

Atom behaves electrically neutrol. Why?