Question 1 If Alex wants to use the mass of the liquid as her dependent variable, what other steps should she take to get the data she would need?

Question 2
If Alex wants to use the liquid level as her dependent variable, what other steps should she take to get the data she would need?

Secondary pollutants are more harmful than primary pollutants. select the best answer from the choices provided ot of

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight. which of these is most likely effect on the ecosystem?