What is the wave speed if the wavelength is 78 cm?

What is work? how much work is done to move an object 0 meters?

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes

The electric field direction is defined by the direction of the force felt by (select one of the following answers): 1. a negative charge. 2. a positive charge. 3. both positive and negative charges.