Auroras occur in the _______.a. troposphere
b. stratosphere
c. mesosphere
d. thermosphere

Answers

Answer 1

Answer:

Auroras occur in the "thermosphere".

The thermosphere lies between the exosphere and the mesosphere.It is a district of expanding temperature in Earth's climate that is situated over the mesosphere.

The thermosphere significantly helps in ensuring the earth and making space investigation and present day types of correspondence conceivable. It additionally supports and ensures life on the planet. It reuses water, retains the sun's energy, and makes a moderate temperature.

The aurora (Northern Lights and Southern Lights) generally present in the thermosphere. It is a natural electrical marvel described by the presence of streamers of rosy or greenish light in the sky, particularly close to the northern or southern attractive shaft. The impact is caused by the communication of charged particles from the sun with iotas in the upper atmosphere.

Answer 2

Answer:

Auroras occur in the thermosphere. Therefore, the correct option is D.

The Northern Lights, or aurora borealis, and the Southern Lights, or Aurora Australis, are natural light displays that occur in Earth's upper atmosphere. The thermosphere, the uppermost part of Earth's atmosphere, is where most of them occur. Several hundred kilometers to about 80 kilometers (50 mi) above the Earth's surface is where the thermosphere begins. Auroras are generated when charged solar particles such as electrons and protons interact with Earth's magnetic field and strike atoms and molecules in the thermosphere.

Therefore, the correct option is D.

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These are two metamorphic rocks. Which statement about the rocks is accurate? The rock on the right is foliated. The rock on the left formed from granite. The rock on the left is formed from cooled magma. The rock on the right has randomly arranged grains.

Answers

Answer:

The rock on the right is foliated

Explanation:

There are three types of rocks. Metamorphic, igneus and sedimentary.

Igneus rocks are formed from magma that cooled in one point of earth history, so non of the metamorphic rocks is formed from cooled magma.

Sedimentary rocks are formed from varios sediments or grains that after processes of pression or temperature compact together. So, metamorphic rocks are not formed from randomly arranged grains

Metamorphic rocks are rocks that change their shape for a phisical reason. One common way to find metamorphic rocks is foliated, this means that the rock has layers. Like a book, with different sheets.

When a metamorphic rock is formed from granite, the pattern is foliated, with layers and the form of the rock is usually banded, this rock is called Gneiss. The left image is not layered.

The right image is layered like sheets, this is the only option that has no counter arguments

In fruit flies, red eyes are dominant to green eyes. In a cross between a short-winged, green-eyed fly and a long-winged, red-eyed fly, the results were as follows: 40 percent short winged and red eyed 10 percent short winged and green eyed 10 percent long winged and red eyed 40 percent long winged and green eyed Which of the following reflects the chromosome makeup of the parents? (A) LlRr × Llrr
(B) Llrr × llrr
(C) LlRr × llrr
(D) LLRR × llrr
(E) LlRR × llRr

Answers

C) because the first fly has all recessive traits and so it would be llrr and the second fly has to have at least 1 dominant allele for the wings (Ll or LL) and for the eye color (Rr or RR) so c would be your best answer

Which principle states that two species in the same habitat cannot have the same niche?

Answers

The correct answer is Competitive exclusion principle.

Competitive exclusion is the principle which states that two species in the same habitat cannot have the same niche.
When one species has little advantage over the other, the one with little advantage will be able to dominate in the long term.
It is attributed to the Georgia Gause.

The question says,'which principle states that two species in the same habitat can not have the same niche? The principle is called competitive exclusion principle. It tates that two species that compete for exactly the same resources can not coexist stably. One specie will outcompete the other specie, which will be eliminated.

What's the difference between cytoplasm & protoplasm?

Answers

Cytoplasm

Cytoplasm is the gelatinous liquid that fills the inside of a cell.
It is included by Protoplasm

protoplasm

protoplasm is the colourless material comprising the living part of a cell.
It include the cytoplasm, nucleus, and other organelles.

Answer:

Cytoplasm-everything contained within the cell membrane except the nucleus.

Protoplasm-includes everything in the cytoplasm plus the nucleus.

Explanation:

Hope this is helps :)

A fertile hypha that bears spores is called a?

Answers

a fertile hypha that bears spores is called a sporangiophore. basically, it's a vertically shaped hypha that hold a chamber filled with the spores, and once it's ready it lets the spores out :)

Don't choose the other answer unless you want to be wrong!

The correct answer is:

conidiophore

This is what the lesson says:

Reproduction among the fungi can occur both asexually and sexually. Asexually, fungi can reproduce by fission, fragmentation, budding, and producing spores. Spores are common reproductive structures among fungi. These spores can be carried by the wind, giving the stationary fungus the ability to spread its offspring over great distances. Molds reproduce by spores. A fertile hypha that bears spores is a conidiophore.

Why is sunlight important to all aquatic ecosystems?