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Vladimir79 [104]
3 years ago
8

Why does shells have ribs?

Biology
1 answer:
DerKrebs [107]3 years ago
3 0
PP rikkaaaa jsjsjsjjs shsh

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Can someone please help im so confused asap
DedPeter [7]

Answer:

A

Explanation:

5 0
3 years ago
¿la corteza terrestre estará enriquecida o empobrecida de elementos radiactivos?
xeze [42]

Answer:

empobrecida

Explanation:

no ayudará a la tierra, la lastimará. Debido a su radioactividad.

6 0
3 years ago
an isolated colony on a selective medium is not considered a pure culture because inhibated organizms might be masked by the col
MArishka [77]

An isolated colony on a selective medium is not considered a pure culture because inhibited organisms might be masked by the colonies. This statement is true.

On the basis of their constitution or usage, culture media can be classified into various groups; these include defined, complex, selective, as well as enrichment medium.

A selective medium consists of dyes or noxious substances/chemicals which inhibit the growth of specific microorganisms but promote the growth of other microbes.

A pure culture is a laboratory culture which contains a single species of microorganism. It is free from other microorganisms.

Since selective media affects the growth of distinct organisms differently, therefore, an isolated colony formed in such type of medium is not considered a pure culture.

To learn more about pure culture here

brainly.com/question/21512552

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7 0
2 years ago
• What would you expect to be the abiotic and biotic biggest challenges for plants and animals that live in the rainforest?
Scorpion4ik [409]

Answer:

Well there are many abiotic elements, that the rest of the world shares. There is the warm soft breezes, the sun /sunlight, soil (for the decomposers), as mentioned above, there is lots of water, for the biotic features of the rainforest. Without these elements, most biotic (living) elements in the rainforest would die.

Explanation:

6 0
3 years ago
The suprachiasmic nuclei release growth hormone, which helps repair body tissues. report changes in light levels during the day
Kryger [21]
The answers would be the suprachiasmic nuclei would report changes in the light levels every day and night into the optic nerve. It also would control the falling asleep and awakening. It is located in hypothalamus and releases hormone and helps in metabolic rate.
6 0
3 years ago
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