What would happed to the amount and size of sediment carried by a stream if the velocity of the stream increased

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

What will happen to a population of predators if there is a sudden, temporary increase in the number of prey? a. the population of predators will be uniform with no change. b. the population of predators will increase first and then decrease slowly. c. the population of predators will increase continuously.