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Masja [62]
4 years ago
6

Write the scientific notation in numerals. 5 x 10 to the power of 3

Biology
1 answer:
ki77a [65]4 years ago
4 0
150 is the answer
Hope this helps
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What provides evidence of an increase in animal species at the same time that atmospheric oxygen concentrations increased?
12345 [234]

Answer:

Fossil records provide evidence of an increase in animal species at the same time that atmospheric oxygen levels increased.

Explanation:

A huge diversification among animal species occurred with the increase in the levels of atmospheric oxygen. The reason why the number of species increased drastically was that a whole new world opened up, the land. The land was open for exploitation and taking over, with every single niche free, so animals diversified and filled in pretty much all of the niches. The fossil records give us clues when this happened, as from only microorganisms there is a sharp rise in complex animals, coinciding with the increase of oxygen levels.

If it wasn't for the increase of atmospheric oxygen though this wouldn't have been possible. The oxygen in the atmosphere enabled animals to breathe on land. Also, it cooled off the global temperatures which were too high before the increase of atmospheric oxygen, making them suitable for life. And last but not least, the atmospheric oxygen resulted in the formation of the ozone layer, a layer that started to act as protection from the UV rays.

3 0
3 years ago
How can you best protect yourself from possible bloodborne pathogen transmission when providing care?
Rzqust [24]
I think to protect oneself from possible blood borne pathogen transmission when providing care it is important to use PPE such as disposable gloves, breathing barrier or mask. PPE is an abbreviation for personal protective equipment; they are equipment that will protect the user against health or safety risks at work. They may include items such as safety helmets, gloves, eye protection, high-visibility clothing, safety footwear and safety harnesses. 
5 0
4 years ago
Humans can respire aerobically and anaerobically. Which are products of both aerobic cell respiration and anaerobic cell respira
Yakvenalex [24]
Humans can respire aerobically and anaerobically. Pyruvate and ATP are products both aerobic cell respiration and anaerobic cell respiration in Humans. 
4 0
4 years ago
A student inoculates a gelatin tube and places it at 37C for the week. When he comes back he takes the tube out of the incubator
ycow [4]
<h2>Gelatin </h2>

Explanation:

Gelatin is a differential medium which tests the ability of an organism to produce an exoenzyme, called gelatinase (this enzyme hydrolyzes gelatin)

When gelatin is at a temperature below 32°C (or within a few degrees thereof), it is a semisolid material and at temperatures above 32°C, it is a viscous liquid

When gelatin is broken down, it can no longer solidify and if an organism can break down gelatin, the areas where the organism has grown will remain liquid even if the gelatin is refrigerated

No the conclusion by student is not right because the tube must be runny after incubation followed by refrigeration to be considered gelatinase positive

3 0
4 years ago
What electrical charge is present on the nylon strips?
Nikolay [14]
Static Energy.

Hope this helped. :)

4 0
3 years ago
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