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Kitty [74]
3 years ago
15

The brain waves in rem sleep are similar to those of what stage?

Biology
1 answer:
vichka [17]3 years ago
4 0
REM's are associated with dreaming. we spend the longest time in the REM stage. REM sleep is marked by a return to fast, irregular EEG patterns similar to those of stage 1. the brain is so active during REM it looks like the person may be awake

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what is it called when in an ecosystem some plants may convert atmospheric nitrogen into ammonia through a process
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These organisms convert nitrogen in the soil to ammonia, which can then be taken up by plants. This process also occurs in aquatic ecosystems, where cyanobacteria participate. After nitrogen has been fixed, other bacteria convert it into nitrate, in a process known as nitrification.

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4 0
3 years ago
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Which correctly lists the three parts of soil that are classified by their particle size? bedrock, humus, and clay clay, bedrock
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Answer:

The correct option is;

Sand, clay, and silt

Explanation:

The categorization of soil particles by size can be made into three classes including sand (particle size between 0.05 mm to 2 mm), silt, (particle sizes between 0.002 mm to 0.05 mm) and clay (particle sizes lesser than 0.002 mm), larger particles such as stones, pebbles, boulders and rock other fragments are left out of the textural classification because of their inertness

The combination of the three particle sizes can be found in most soils and their relative proportion defines the texture of a given sample of soil.

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3 years ago
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Answer:

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