You have to put a lid on petri dishes in order to ensure that no outside contaminants get inside the dish.
B .The dodo bird could not adapt quickly to the challenges of the environment was the reason for the dodo birds' extinction. hope I helped!
can you plz mark brainliest?
A roller coaster is fastest at the front of the train. The shorter the hill the roller coaster climbs, the greater its kinetic energy. Potential energy is converted to kinetic energy as the roller coaster goes down the hill. No conclusion can be made from this evidence
Answer: Floods are a natural part of the water cycle, but they can be terrifying forces of destruction. ... Floods usually occur when precipitation falls more quickly than that water can be absorbed into the ground or carried away by rivers or streams.
Explanation: