Two trees growing close to each other both use light, water, and the same nutrients in the soil. This relationship is best
defined as:
a symbiosis
b competition
C interdependence
d none of the above

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?

The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation