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nalin [4]
3 years ago
14

Which of the following is used to determine if a star is moving closer to Earth? (2 points)

Biology
2 answers:
aleksklad [387]3 years ago
8 0

Answer:

Doppler shift

Explanation:

Zigmanuir [339]3 years ago
7 0
Doppler shift - if it’s red shift it’s moving away from you. If it’s blue shift it’s moving towards you.
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The above diagram suggests that A. producers are the foundation of all energy pyramids. B. tertiary consumers are the ultimate s
jok3333 [9.3K]

Answer:

the first option is correct

Explanation:

in a food pyramid the base is always producers.

8 0
3 years ago
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During the 1970s, the military junta in power in Greece initially selected candidates for officers based on their submission to
katrin2010 [14]

Answer:

C) Compliance ; acceptance                

Explanation:

Compliance: In social psychology, the term compliance is defined as a process of obeying or following command or order. In other words, compliance includes a person to change his or her behavior because he or she had been directed or requested from the other person.

Example: An old man request a boy to play away from his house because he is not feeling well and hence the boy listened to his request.

Strategies: Foot-in-the-Door Technique, Low-Balling, etc.

Acceptance: In psychology, the term acceptance is defined as the process of a person to approve a situation's reality, and identifying the negative situation or any condition in the absence of any attempt to change it.

4 0
3 years ago
Describe 5 life activities in order for all animals to survive
harina [27]
They have to eat
They have to hydrate
They have to evolve 
They have to adapt 
They have to mate
5 0
4 years ago
Which of the following have improved farming practices and crop production? Select all that apply.
STatiana [176]

Answer:

sophisticated irrigation, chemical fertilizers, chemical pesticides

Explanation:

The use of irrigation to provide needed water and the use of natural fertilizers to promote crop growth are farming methods that have been practiced for centuries. More sophisticated irrigation techniques, various chemical pesticides, and modern chemical fertilizers have been developed in the twentieth century.

4 0
3 years ago
The bacterium Bacillus thuringiensis can withstand heat, dryness, and toxic chemicals that would kill most other bacteria. This
yuradex [85]

Answer:

Spores

Explanation:

Spores are small structures produced in large quantities by bacteria (as well as fungi and plants), capable of generating a new individual.

Bacterial spores (or endospores) act as survival structures when bacteria are found in unfavorable environmental conditions.

They are produced by the bacteria themselves and are found freely inside of them. The position where the spores are found is used as a way of identifying the species of bacteria.

While in the form of spores (which can be viable even for centuries for some species), the bacteria are resistant to heat, dehydration, radiation and pH variations.

When the environmental conditions are <u>favorable</u>, the spore absorbs water until it swells and breaks. From there, germination occurs, producing a cell identical to the parental cell, reactivating the metabolism, as well as the multiplication and growth of new bacteria.

5 0
4 years ago
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