Activation energy - is the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
Answer:
C, D.
Explanation:
C: The flowing lava creates extra rock. For example, entire islands are formed via this process of volcanos erupting, lava cooling, repeat.
D: Silt from erosion (erosion itself is considered destructive, but the resulting silt can turn into something constructive.) can build up entire mounds or mountains over time.
The first step in designing an experiment is the form a testable question.
Explanation:
Scientists indicate that high levels of CO2 can affect the way fish behave, so that they swim towards the odors of predators instead of maintaining distances and even perceive sounds that normally deter them from going to habitats of risk. These abnormal behaviors are related to the effect of carbon dioxide on how the brain processes signals from sensory organs.
