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klio [65]
3 years ago
13

How does the environment influence natural selection?

Chemistry
1 answer:
Nonamiya [84]3 years ago
7 0
The environment affects natural selection. Speices need to adapt to changes in environmnet. The weaker organisms which fail to adapt to environment perish while the stronger ones who adapt to the environment survive. This is how environment affects natural selection.
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What is the predicted outcome for very low mass stars (those that are smaller than about the mass of the sun)?
White raven [17]

Answer:

In case of low-mass stars,the outer layers of the low mass stars are expelled  as the core collapses such that the outer layers form a planetary nebula.

Explanation:

In case of low-mass stars,the outer layers of the low mass stars are expelled  as the core collapses such that the outer layers form a planetary nebula. The core remains as a white dwarf and finally become a black dwarf as it cools down. A low mass star consumes its core hydrogen and turns it into helium over its lifetime.

4 0
3 years ago
Which one of the following is a vestigial structure? 1. Heart 2. Appendix 3. Right leg 4. liver
marysya [2.9K]
Im going to say that it is 1.) The Heart

4 0
3 years ago
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Who first published the classification of the elements that is the basis of our periodic table today
saw5 [17]
Dmitri Mendeleev was the first to publish the classification.
8 0
3 years ago
How many grams S03<br> are needed to make 400g<br> H₂So4 in 49%
NemiM [27]

160 g of SO3 are needed to make 400 g of 49% H2SO4.

<h3>How many grams of SO3 are required to prepare 400 g of 49% H2SO4?</h3>

The equation of the reaction for the formation of H2SO4 from SO3 is given below as follows:

SO_{3} + H_{2}O \rightarrow H_{2}SO_{4}

1 mole of SO3 produces 1 mole of H2SO4

Molar mass of SO3 = 80 g/mol

Molar mass of H2SO4 = 98 g/mol

80 g of SO3 are required to produce 98 og 100%H2SO4

mass of SO3 required to produce 400 g of 100 %H2SO4 = 80/98 × 400 = 326.5 g of SO3

Mass of SO3 required to produce 49% of 400 g H2SO4 = 326.5 × 49% = 160 g

Therefore, 160 g of SO3 are needed to make 400 g of 49% H2SO4.

Learn more about mass and moles at: brainly.com/question/15374113

#SPJ1

7 0
2 years ago
70 Points please help fast
maks197457 [2]
It is the first one keq[co]/
6 0
3 years ago
Read 2 more answers
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