Heterotrophs convert solar energy into chemical energy.

a. True

b. False

A sound wave travels across a 2,100-meter wide valley in 7.0 seconds.

Two ways that weak nuclear forces and electromagnetic forces are simaliar

If the mass of a material is 76 grams and the volume of the material is 14 cm3, what would the density of the material be?

Radiant heat makes it impossible to stand close to a hot lava flow. Calculate the rate of heat loss by radiation from 1.00 m^2 of 1190°C fresh lava into 30.0°C surroundings, assuming lava's emissivity is 1.

Look at the densities of the jovian planets given in figure 1. which of the following statements best describes the pattern of jovian planet densities?

Jose wandered 4 kilometers at 2 kilometers per hour. How long did Jose wander?

What is the acceleration of a 10kg pushed by a 5n force

A device that changes thermal energy into mechanical energy

You and your roommate are moving to a city 380 mimi away. Your roommate drives a rental truck at a constant 55 mi/hmi/h, and you drive your car at 65 mi/hmi/h. The two of you begin the trip at the same instant.

Which planet is 92,897,000 miles from the sun?