Which environmental changes occur faster?
a.
volcanic eruption
b. regrowth of forest after volcanic eruption

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.