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adelina 88 [10]
3 years ago
15

Question 2

Biology
2 answers:
alexandr1967 [171]3 years ago
4 0

Answer:

b

Explanation:

sattari [20]3 years ago
3 0

Answer:

hmm

Explanation:

On Earth, human activities are changing the natural greenhouse. Over the last century the burning of fossil fuels like coal and oil has increased the concentration of atmospheric carbon dioxide (CO2). This happens because the coal or oil burning process combines carbon with oxygen in the air to make CO2.

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The potato placed in vinegar produced _________.
anastassius [24]

Answer:

Most living tissue contains catalase. We can use potatoes to help see catalase work because bubbles of oxygen form when we put potatoes into hydrogen peroxide.

Explanation:

As catalase decomposes hydrogen peroxide into water and oxygen gas, bubbles of oxygen collect on the disk. When the density of the combined paper/enzyme/O2 is less than the solution the disc will rise to the surface.

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3 years ago
Which takes longer, primary or secondary succession? explain why
Evgen [1.6K]

Answer:

primary succession takes longer

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Primary succession is built from the ground up, whereas secondary succession is built from an already existing civilization.

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alexandr402 [8]
The appropriate answer is c. global warming. Global warming is an increase in the global temperature caused by the increased use of fossil fuels. Using fossil fuels since the industrial revolution has pumped extra carbon dioxide in the atmosphere than what would actually enter from natural processes. This extra carbon dioxide is increasing the green house effect and causing the temperature to increase.
3 0
3 years ago
The human genome consist of about ____ chemical letters
Olegator [25]

I believe that it consists of about 3 billion letters/base pairs

5 0
4 years ago
Read 2 more answers
Blood has a lower concentration of hydrogen ions than cellular cytoplasm. What does that tell us about the pH?
Greeley [361]

Answer:Acids and bases In the human body, both blood and the cytosol (watery goo) inside of cells have pH values close to neutral. ... A base, in contrast, raises pH by providing hydroxide (OH −start superscript, minus, end superscript) or another ion or molecule that scoops up hydrogen ions and removes them from solution.

Explanation:

8 0
3 years ago
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