Heat is the measurement of energy from all the particles that are in a substance. true or false?

Together oxygen and nitrogen comprise what percentage of the atmosphere

How many daughter cells are produced in meiosis?

Can you name some natural disasters

What changes in color occur when bromine and kmno4 reacts with an alkene?

How does the intensity of radiation (as measured by Geiger counter vary as distance from the radiation source increases? (that is does intensity increase or decrease? is the graphed line straight or curved?

What does ice cream melt on a hot day which type of thermal energy transfer does this melting represents

For which purpose do biochemists insert human genes into bacteria? to find a cure for the common cold to produce insulin for diabetics to kill resistant strains of bacteria to evolve certain species of bacteria

Cracks in rocks chemical or mechanical

A large boulder falls from an underwater ledge and crashes on the floor of the ocean. A pod of dolphins is 800 meters away. Determine how long it takes for the sound of the crash to reach the dolphins. A) 0.5 sec B) 0.3 sec C) 2.3 sec D) 1.9 sec

Given 4.80g of ammonium carbonate, find: Number of moles of the compound Number of moles of ammonium ions Number of moles of carbonate ions Number of moles of hydrogen atoms Number of hydrogen atoms