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mel-nik [20]
3 years ago
13

During the 1900s, the following genetic discoveries were made:

Biology
1 answer:
Paha777 [63]3 years ago
6 0

Answer:

There are four bases in DNA, and they combine in a specific way. Adenine pairs with thymine, and guanine pairs with cytosine.

Explanation:

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This chart Presents data on greenhouse omissions caused by human activity from 1990 to 2012 which questions will help clarify th
Dahasolnce [82]

Answer:

None of the questions asked can be answered completely from the graph provided 

Reason

1) Which source of electricity generation caused the most emissions?: The graph does provide the information of greenhouse gas emission from different sectors like electricity, transport, industry, agriculture, commercial and residential.  Electricity can be generated from several sources like hydrothermal, nuclear, etc. However, information of how these sources contributes towards greenhouse gas emission via electricity sector is not provided in graph

2) What types of industries are responsible for greenhouse gas emissions?: The graph does provides the information about total greenhouse gas emissions from industries. However, individual contribution from different types of industries cannot be answered.

3) Which natural sources of greenhouse gas emissions are shown here?: The graph provides information about greenhouse gases emission only due to human activity like electricity generation, agriculture, etc. and not from natural sources. 

4) Why is agriculture the largest source of greenhouse gas emissions?: The reason for largest emission of greenhouse gas due to agriculture cannot be answer from information provided.

5) What caused the dip in greenhouse gas emissions in transportation after 2007?: The reason for dip in greenhouse gas in transportation cannot be answer from information provided.

Read more on Brainly.com - brainly.com/question/10151442#readmore

Explanation:

6 0
3 years ago
Bacteria perform the following ecological roles. Which role typically does not involve symbiosis?
xz_007 [3.2K]

Answer: Decomposer

Explanation:

Bacteria feed on the dead and decaying organism, in which they feed on them and obtain energy from them.

It is not a mutual relation because the host cell on which they feed is not alive. They eat the organic matter that is present in environment.

The bacteria and fungi clean the environment in this way. The dead plants and animals are decomposed in the environment and the nutrients get back  into the soil.

hence, the correct answer is option B

7 0
3 years ago
Carla wants to become a florist. Studying which of the following branches of science would be most helpful for Carla's future ca
Roman55 [17]

Answer:

there are no branches to pick from dawg

Explanation:

4 0
3 years ago
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How has genetic engineering helped farming?
Alina [70]

Answer:

increases in crop productivity brought about by genetic engineering can help relieve problems faced by farmers by decreasing the losses caused by pests, disease, weeds,

Explanation:

3 0
3 years ago
Choose an example of mutualism, and then describe the long process by which the relationship could have developed. quizlet
Oksana_A [137]

A symbiotic relationship in which one organism can take advantage and the other is not harmed The treehopper-ant mutualism becomes parasitic in years when spiders are rare, because the treehoppers no longer derive a large benefit but pay a fitness cost.

3 0
3 years ago
Read 2 more answers
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