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Dvinal [7]
1 year ago
8

The diversification of grasses has occurred mostly in the last 20 million years. Some scientists have argued that this can be ex

plained by?
Social Studies
1 answer:
lara [203]1 year ago
5 0

The diversification of grasses has occurred mostly in the last 20 million years. Some scientists have argued that this can be explained by a decline in the concentration of carbon dioxide in the atmosphere.

Most of the Earth's surface is covered by grassland biomes, which currently account for up to one-third of net primary production on land. Grasses make up the majority of grassland biomass and plant populations, but other plant groups, especially the Daisy family, are usually as diverse as grasses.

A new landscape was created when grasslands emerged, and grazing mammals like horses, wombats, and capybaras were among the various life forms that co-evolved with this biome and benefited from the substrate that grasses supplied.

Know more about grasses here

brainly.com/question/12562984

#SPJ4

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What does “R&D” mean?
Alja [10]

Answer: Research and development or Read and draw.

Explanation: Research and development, known in Europe as research and technological development, is the set of innovative activities undertaken by corporations or governments in developing new services or products and improving existing ones. ( you can find this on Wiki) Now for school teachers using R&D meaning Read and Draw, another way to get info faster and better, its mostly "Back to Text" though. Hoped this helped! :D

4 0
2 years ago
If a person attempts to make a phone call while they are waiting for a meeting to begin, they are _______. A. Combining tasks b.
xxMikexx [17]

Answer:

Option A

Explanation:

A person attempting to make a phone call while waiting for a meeting, is starting one task before another begins. So, it's not option B since multitasking is completing two or more tasks as once. It's not option C because sequential tasking, is beginning one task and not starting another in till that initial task is completed. It's not cleaving tasks or option D because cleaving tasks just means clinging to one task. Your best answer is option A or "combining tasks", since you are completing a phone call while waiting for your meeting. It means you are completing one task while waiting for another one to start.

Hope this helps.

3 0
2 years ago
How governments are structured
lesya [120]

Answer:

All State Governments are modeled after the Federal Government and consist of three branches: executive, legislative, and judicial. The U.S. Constitution mandates that all states uphold a “republican form” of government, although the three-branch structure is not required. (got the answer from google hehe)

Explanation:

7 0
3 years ago
In a clearly written and well-developed paragraph, explain in your own words the difference between weather and climate.
Usimov [2.4K]
The difference between weather and climate are quite easy to determine. The climate would be the temperature outside. Such as if its winter it could be -10 degrees out. As for weather, it would be how it is outside. As if it were raining, or sunny. 
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2 years ago
Why is it dangerous to wear contact lenses in the lab?
leonid [27]

Answer:

Chemical vapors may penetrate the contact lens material and cause the lens to adhere to one's eye.

Explanation:

6 0
2 years ago
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