Answer:
2. the line separating Australian animal species from non-Australian species
Explanation:
The Wallace line is an animal boundary line drawn by Alfred Wallace that separates Australian fauna species from non-Australian fauna species. It's a transitional zone between Austrialia and the Asia continent. The animals found in south East Asia is so much different from those found in Australia, hence the line drawn. The line is just one of the many biogeographical borders in the world separating geographical regions with not so similar group of plants and animals.
They show that there was an ocean over the plains long ago, and fossils are always used to elaborate on the history of life/how it developed.
Answer:
B
Explanation:
It is because burning fossil fuels release sulfur dioxide which causes acid rain.
A vertical<span> market is a market where people offer goods and services to specific companies, </span>trade<span>, professions, or other group of customers with specialized needs. </span>
65.78% of the water is is frozen at the poles.