Answer:
Answer in explanation
Explanation:
The article by the author is an interesting read and contains a whole lot of facts.
The main point the author is driving at is that the ozone hole is getting a kind of healing from its otherwise thought depletion continuation.
What he is trying to say is that, although over the years there has been a rate of decline in the layer, a recent study has shown that the decline rate has in fact slowed down and the hole thought to be on regular depletion is in fact getting healed at a rate in which the depletion has slowed
I. believe the answer to this a true
Answer:
Based on this, you know that Sampson is using the whistle as a <u><em>secondary </em></u> reinforcer to train the dolphins.
Explanation:
Secondary Reinforcement can be described as a condition in which a stimulus initiates a behavior after being previously associated with a primary reinforcer. A secondary reinforcement is a stimulus that satisfies basic survival instinct such as food, drinks, and clothing.
The same phenomenon was being used by Samson to train his dolphins to perform tasks. The dolphins enjoyed the sound of the whistle because previously that sound was paired to them getting their food.
Answer: Stage M (Mitosis).
Explanation: The root tip is a meristem and this means that the root tip is responsible for the root growth. To do that, root tip cells divides actively to form root tissues, so that if we look an onion root tip under the microscope, the majority of cells will be in division, called mitosis, or Stage M of the cell cycle.
Mutualism is the relationship where both organisms benefit from each other in some way