Which best describes the role of a primary consumer in a food web? (3 points) a
Carnivore that feeds on producers

b
Herbivore that feeds on producers

c
Herbivore that feeds on primary consumers

d
A carnivore that feeds on primary consumers

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.

When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two