If an alien astronomer in a distant galaxy looks at all the galaxies it can see, it will observe that Select one: a. other galaxies are moving away from it. b. half of the galaxies are moving away and half of them are moving toward it. c. other galaxies are stationary. d. other galaxies are moving toward it. Clear my choice

Answers

Answer 1

Answer:

If an alien astronomer in a distant galaxy looks at all the galaxies it can see, it will observe that other galaxies are moving away from it. It will observe that the galaxies present in the universe are moving away from the galaxies.

What is the name of our galaxy ?

The name of our galaxy is milky way.

Through the astronomical spectra displaying the patterns of absorption and emission spectra lines it is producing the different wavelengths that are producing different wavelengths. If the source is moving away from the lines that is showing towards the red end that is the red shift.

The continued gravitational force that is present in the galaxies are together collected are the gravitational forces that are mutually coming together in order to bring the galaxies together.

Learn more about gravitational force at :

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Answer 2

Answer: the correct answer is A

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Using the explicit formula, calculate how far the students will be swimming on week 10 using Ernest's schedule.

Answers

Ernest would be swimming at 3.25 units on week 10

The explicit formula is given as:

$a_n = a_1 + (n - 1) * d$

Also, we have the following parameters

$a_1 =1.0$ -- the initial distance

$d =0.25$ --- the difference between concurrent distances

In week 10, the value of n is 10.

Next, substitute 10 for n in the explicit formula $a_n = a_1 + (n - 1) * d$

So, we have:

$a_(10) = 1.0 + (10 - 1) * 0.25$

Subtract 1 from 10

$a_(10) = 1.0 + 9 * 0.25$

Multiply 9 by 0.25

$a_(10) = 1.0 + 2.25$

Add 1.0 and 2.25

$a_(10) = 3.25$

Hence, Ernest would be swimming at 3.25 units on week 10

Read more about arithmetic sequence at:

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Which term refers to a change in one species that results from a change in another species that it interacts with?

Answers

The answer is coevolution.

Coevolution is a change in one species that results from a change in another species that it interacts with. For example, some species of orchid and African moth coevolved. That was a consequence of African moths' dependence on flower nectar and the orchids' dependence on moths' help in pollination. This two species coevolved, therefore the orchids have deep flowers while African moths have long proboscides.

Answer:

Interdependence

Coevolution

Left thumb over right is dominant, and is represented with a capital C. Right thumb over left is recessive, and is represented with a lowercase c.What would be the genotype of a person who naturally crosses his right thumb over his left when folding his hands together?

A) cc

B) Cc

C) CC or cc

D) CC or Cc

Answers

Answer: Option A) cc

Explanation:

For a given gene, there are 2 or more alternative forms present, and they are known as alleles.
The alleles are of two types - dominant and recessive.
The dominant allele is the one which expresses itself in both heterozygous and homozygous condition in the phenotype.
The recessive allele is the one which is only able to express itself in homozygous condition.
Since, the right thumb over left allele c is recessive, the person who crosses right thumb over left must be a homozygote, and hence his genotype should be cc.

The basic food produced by a plant is:a- produced by chloroplasts
b- produced by mitochondria
c- absorbed through the roots

Answers

Mitochondria is a powerhouse inside a cell, and Chloroplasts are a specialized organelle found in plant cells and contain chlorophyll. These are responsible for plants green colour and their ability to absorb energy from the sun.

produced by chloroplast

A vaccine is something that is used to

Answers

A vaccine is used to kill viruses. It attacks the weak part of the virus and kills it.

Answer:It is used to eliminated viruses in your body.

Explanation:

Like a flu shot for example, it signals your immune system to generate cells to kill the influenza inside your body so it doesn't replicate inside your DNA.

According to the Milankovitch Theory, three cycles combine to affect the amount of solar heat that’s incident on the Earth’s surface: eccentricity, axial tilt, and precession. It is suggested that these variations then impact

Answers

It is suggested that the variations listed then impact global climate changes.

Impacts of Solar Heat Variation

The Milankovitch Theory links three cyclic changes in Earth's orbit and axial tilt to climate variations.

Eccentricity involves shifts in Earth's orbit shape, affecting the distance from the Sun. Axial tilt alters the tilt of the Earth's axis, impacting seasonal differences. Precession is the wobbling of the axis.

These variations modify the amount and distribution of solar heat on our planet, contributing to long-term climate changes and ice age cycles. This theory helps climate scientists understand and predict past and future climate shifts on Earth.

More on global climate change can be found here: brainly.com/question/38565013

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the answer is............................B

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