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8090 [49]
3 years ago
13

The chemical composition of a star can be determined using a

Biology
1 answer:
beks73 [17]3 years ago
3 0
<span>absorption spectra is your answer. i had the same multiple choice question last year</span>
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Name two things that increase the amount of nitrogen in the nitrogen cycle
Allushta [10]

The majority of Earth's atmosphere contain 78% is nitrogen, The Nitrogen cycle is the geochemical cycle in which nitrogen is converted into multiple chemical forms. Nitrogen cycle occurs in terrestrial and marine ecosystem. Nitrogen can be converted through both biological and physical process. The processes that are involved in nitrogen cycle are fixation, ammonification, nitrification, and denitrification.

There is limited amount of nitrogen that is useful but <u>increase of fossil fuel combustion, use of artificial nitrogen fertilizer</u> have dramatically increased the amount of nitrogen in nitrogen cycle.

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How is the simulation different from the real world? Explain in 3 or more sentences.
Aleks [24]
Simulations generally involve a simple design. In contrast, the world is a very complex system. Many events, such as how we farm, can disrupt the world's delicate balance. Simulations do not take into account the varied interactions that affect events in the real world. 
6 0
3 years ago
Identify the analogous structures
ra1l [238]

Answer: Here you go!

Explanation:

Analogous structures are structures that are similar in unrelated organisms. The structures are similar because they evolved to do the same job, not because they were inherited from a common ancestor. For example, the wings of bats and birds, shown in Figure below, look similar on the outside

8 0
2 years ago
How do we get Proteins
Leona [35]

Answer:

By eating things with protein in it. Sorry if this sounds too simple, but that's all it is.

8 0
3 years ago
Read 2 more answers
Three linked autosomal loci were studied in cucumbers: fruit color (dark vs. light), tendril size (long vs. reduced) and fruitin
Zina [86]

Answer:

Explanation:

1. Progeny observed in the experiment is calculated by adding all the progeny numbers observed in the :

TIME TO FRUIT                TENDRIL SIZE        FRUIT COLOR       NUMBER

 

 Normal                             normal                      dark                        370

 normal                              normal                      light                        32

 early                                  normal                      light                        971

 early                                   normal                     dark                         28

 early                                  reduced                    dark                          25

 early                                   reduced                   light                          483

 normal                                reduced                   light                          36

 normal                                reduced                    dark                         810

                                                                               TOTAL

                                                                                PROGENCY           <u>2755</u>

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2. The locus in the center is TIME TO FRUIT. Tendril size is at the beginning of the locus and the distance between the locus B and locus C is R2

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3 0
3 years ago
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