A train travels 99 km in two hours and then 72 km in two hours what is it's average speed

A 40-lb container of peat moss measures 14x20x30 in. a 40-lb container of topsoil has a volume of 1.9 gal. (a) calculate the average densities of peat mass and topsoil in units of g/cm3.

All organisms need to obtain _?__ from food to survive

The numbers of spiders in the house and the outside temperature have an indirect relationship. what will happen to the spiders in the house as the outside air temperature decreases

150.0 grams of iron at 95.0 °C, is placed in an insulated container containing 500.0 grams of water. The temperature of the water increases to 27.2°C. What was the initial temperature of the water? The specific heat of water is 4.

Household hazardous waste can be eliminated by preparing your own cleaning products using the following ingredients except

Which situation would probably NOT result in the formation of new species? A) The introduction of a predatory fish that only eats the largest native bass in a Georgia lake.

How many electrons are present in outermost shell of argon atom

Why is there a difference between sodium and potassium in the reactivity with water

Why does the pressure inside a container of gas increase?

What is it called when copper can be stretched into s thin wire?