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Oliga [24]
3 years ago
11

What human activity would most likely decrease the amount of carbon in the atmosphere

Biology
1 answer:
Nataliya [291]3 years ago
4 0

Answer:

Human activity can affect the amount of carbon in the atmosphere. When fossil fuels like oil, coal, and natural gas are burned, carbon dioxide is released into the atmosphere as waste.

Explanation:

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Which of the following is an example of a nonmetallic mineral?
Lina20 [59]

Answer:

gold

Explanation:

because there isn't free electron

4 0
3 years ago
Read 2 more answers
An early method of evaluating the effectiveness of an antimicrobial chemical is to compare it's effectiveness to that of
Nimfa-mama [501]

Answer:

The effectiveness of chemical disinfectants has historically been compared to phenol.

Explanation:

The effectiveness of a disinfectant or antiseptic can be determined in a number of ways. Historically, a chemical agent’s effectiveness was often compared with that of phenol, the first chemical agent used by Joseph Lister. In 1903, British chemists Samuel Rideal (1863–1929) and J. T. Ainslie Walker (1868–1930) established a protocol to compare the effectiveness of a variety of chemicals with that of phenol, using as their test organisms Staphylococcus aureus (a gram-positive bacterium) and Salmonella enterica serovar Typhi (a gram-negative bacterium). They exposed the test bacteria to the antimicrobial chemical solutions diluted in water for 7.5 minutes. They then calculated a phenol coefficient for each chemical for each of the two bacteria tested. A phenol coefficient of 1.0 means that the chemical agent has about the same level of effectiveness as phenol. A chemical agent with a phenol coefficient of less than 1.0 is less effective than phenol. An example is formalin, with phenol coefficients of 0.3 (S. aureus) and 0.7 (S. enterica serovar Typhi). A chemical agent with a phenol coefficient greater than 1.0 is more effective than phenol, such as chloramine, with phenol coefficients of 133 and 100, respectively. Although the phenol coefficient was once a useful measure of effectiveness, it is no longer commonly used because the conditions and organisms used were arbitrarily chosen.

7 0
3 years ago
Which of the following is a correct procedure for the operation of a microscope?
stiv31 [10]
I believe the answer would be option C. You start focusing the knob on low power, and use the other knob on the high-power lens afterward to get the best view of the specimen in the petri dish
4 0
3 years ago
What is made when a sperm cell combines with the polar nuclei?
balandron [24]

Answer:

Explanation:Two of the nuclei (the polar nuclei) move to the center of the embryo sac and fuse together, forming a single, diploid central cell. This central cell later fuses with a sperm to form the triploid endosperm, which will ultimately provide nourishment for the developing embryo (analogous to yolk in animal eggs).

8 0
2 years ago
Warren thinks that a fetus is a person with a right to life from the moment of conception.
djyliett [7]

Answer:

The given statement is True

Explanation:

A foetus is a life that is conceived by a woman to give birth. Though biologically it won’t be considered as a person but it is definitely a living entity that will become a new life of a person. So being a living organism it definitely has the right to live.

According to the Article 67 of Fetal Rights it is said that a foetus should be considered born from the moment it is being conceived by the mother.

8 0
3 years ago
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