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Vanyuwa [196]
3 years ago
13

Auroras are lights that appear at Earth’s northern and southern poles. What is the main cause of an aurora?

Biology
1 answer:
deff fn [24]3 years ago
6 0
When charged particles from the sun strike atoms in earth's atmosphere, it causes electrons to move to a higher energy state. When the electrons drop back to a low energy state they release light photons. This is what causes the Aurora lights
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10%
Delicious77 [7]

Answer:

The correct answer is : The dominant form of the trait shows.

Explanation:

In simple dominance, the attribute related to the prevailing or dominant allele is communicated while the character related to the latent or recessive allele is persecuted or masked. For instance –  

Taking a bloom where the dominant allele attribute is red shading and the recessive allele characteristic is white shading. At the point when a posterity of this bloom is created containing one prevailing or dominant allele and one passive allele, its shade would be red simply because just the predominant allele communicates its characteristic.  

Thus, the right answer is: The dominant form of the trait shows.

3 0
3 years ago
Which term refers to the thick folds of tissue found on each of the cerebral hemispheres?.
Leno4ka [110]

Answer: A gyrus (plural = gyri) is the ridge of one of those wrinkles, and a sulcus (plural = sulci) is the groove between two gyri. The pattern of these folds of tissue indicates specific regions of the cerebral cortex. The head is limited by the size of the birth canal, and the brain must fit inside the cranial cavity of the skull.

Explanation: Hope this helps :)

3 0
2 years ago
In circumstances where the body requires prolonged or increased levels of a hormone, the DNA of target cells will specify the sy
Norma-Jean [14]

Answer:

Up-regulation.

Explanation:

Hormones may be defined as the chemical messengers of the body that can transmit information and maintains homeostasis. The hormones can directly go into the bloodstream and may release through the special ducts.

The receptors of the hormone is required for the binding of the receptors. To maintain the normal homeostasis of the body, the body shows the up regulation and down regulation. In up regulation the hormone levels increases in the body by increasing the receptor on the specific target organ.

Thus, the correct answer is up regulation.

7 0
4 years ago
How is an enzyme’s shape affected when it becomes denatured?
sladkih [1.3K]

Answer:

Explanation:

it becomes distorted, it can no longer bind to its substrate, it no longer works correctly. ... they each have a unique shape that the substrate needs to stick to.

8 0
3 years ago
Biosphere of the tropical rainforests
Viefleur [7K]

Answer:The Rainforest mesocosm, at the north end of Biosphere 2, was created to simulate several tropical Rainforest habitats. The biome can be divided into the following habitats: Bamboo belt of dense bamboo species was intended to screen the biome from airborne salt that might be entrained from the ocean biome.

Explanation: yes

6 0
3 years ago
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