Where do convection currents occur?

O A. In areas with the same temperature

B. In areas with different cloud types

C. In areas with the same altitude

D. In areas with different air pressures

Under the gold standard, a country in balance-of-trade equilibrium earns income from exports that is equal to the money its residents pay for imports. Group of answer choices True False

Why can color alone be used to identify most minerals?

What units are used to measure velocity and speed

1 How do the charge and mass ok a neutron compare to the chargu and ways or a proton?

And Endothermic reaction is ...

When the Sun is in its maximum solar cycle, which of the following occurs? A. One CME is produced every five days B. There is an unpredictable amount of energy C. Up to three CMEs are created in one day D. Protons and neutrons accelerate

How many daughter cells are produced in meiosis?

Sodium chlorite - > sodium chloride + oxygen what type of chemical reaction is represented by this equation

The mixing of which pair of reactants will result in a precipitation reaction? the mixing of which pair of reactants will result in a precipitation reaction?

A balloon has 18.9 moles of hydrogen gas at a volume of 428 L. What would the volume of the gas be if the balloon had 14.0 moles of hydrogen gas left after 1 day?