I’d say D but I’m not 100% sure
Answer:
A.easier to condition
Explanation:
The dog may pant and pace when it's owner leaves the house, and over time, that dog may begin barking, destroying furniture and doorways or may vomit. The scientific term for what has happened those is sensitization.
The appropriate C. Estuary. An estuary is a channel where fresh water from the land interact with salt water from the sea and commonly is affected by ocean tides. The water in an estuary is described as brackish which means it has a higher salt concentration than fresh water and a lower salt concentration than a marine environment.
That’d be the 2nd one from the right.
That population has the highest variety of organisms(individuals) compared to the other populations.