When the upper-level trough is located directly over the surface low-pressure system, the surface low-pressure:

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is transformed ⇒ as it changes into other forms of energy.

An object has a weight of 500 on earth what is the mass of this object

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