What effect did the coronavirus have on people and their pets A. It showed people how pets can keep them safe B. It made it more difficult for people to adopt pets C. It gave many people more time to spend with pets D. It caused people to be worried about their pets

It showed people how pets can keep them safe It made it more difficult for people to adopt pets. It gave many people more time to spend with pets gave many people more time to spend with pets It caused people to be worried about their pets.

two jet streams that directly affect the formation of weather in the continental part are a polar jet and a subtropical jet. they are responsible for the transportation of weather systems, which directly affect people. the polar front is the boundary between cold air from the north pole and warmer equatorial air. both the polar jet and the subtropical jet blow from the west to the east, and follow the boundary between cold and warm air.

the strongest jet streams are polar jets, while subtropical jets are somewhat weaker.

the right answer is c. the polar jet stream is generaly stronger than the subtropical jet stream.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.