An ecology student noticed that big moose lake has a higher nitrogen level than brant lake, but has lower algae growth. this data surprised her, because algae often flourish in water with high nitrogen level. develop a hypothesis to explain the surprisingly low algae growth in big moose lake.

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.

Which u.s. state lists the horned toad as its state reptile?