Ablock starting from rest slides down the length of an 18 m plank with a uniform acceleration of
4.0 m/s2. how long does the block take to reach the bottom?

Which of the following correctly describes the early view of catastrophism?

Acombination reaction is when two or more combine to form one product. a decomposition reaction is when a substance breaks down into two or more simpler substances in a chemical reaction.

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.