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igomit [66]
3 years ago
12

Which Chemicals are major contributors to the Ozone layer destruction? Select TWO answer choices.

Biology
2 answers:
olga55 [171]3 years ago
5 0
The answer is chlorine and bromine
Romashka [77]3 years ago
3 0

Answer:

The damage to ozone layer is done by halogens such as Chlorine and Bromine.

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How does groundwater recharge rivers?
Vlad1618 [11]
Ground water recharge includes recharge as a natural part of the hydrologic cycle and human-induced recharge, either directly through spreading basins or injection wells, or as a consequence of human activities such as irrigation and waste disposal. Artificial recharge with excess surface water or reclaimed wastewater is increasing in many areas, thus becoming a more important component of the hydrologic cycle
3 0
3 years ago
The epidermis is composed of five cell types. match each type to its description.
WITCHER [35]
Listed under are the 5 different type of cells found in the epidermis and their description:

1. Stem cells
These are what you call undifferentiated cells. These are cells found in the stratum basale, which is the deapest layer of the epidermis. These cells divide to create keratinocytes. 

2. Keratinocytes
The make up the majority of the cells in the epidermis. They synthesize keratin which are proteins that make up your hair, skin, and nails. They can also be found in other organs inside your body.  

3. Melanocytes
These cells can only be found in the stratum basale. They synthesize melanin with a brown to black pigment. These dark pigments serves as protection for the skin from harmful UV rays. 

4.Merkel cells
Merkel cells are also known as <em>tactile cells</em>. They are the sensory receptor for touch. Merkel cells and the nerve fiber together are called the Merkel disc. 

5. Dentritic cells
They are also known as <em>Langerhans cells</em>. They can be found in two layers of the epidermis: the stratum spinosm; and stratum granulosm. They are what you call macrophages that come from the bone marrow. They serve as immune cells that provide protection against toxins, microbes and other pathogens that try to penetrate the skin. 

Hope you find some information above that will help you.
3 0
4 years ago
In which step of cellular respiration is oxygen used
vazorg [7]
In aerobic respiration.there are stages in it.but I think you are looking for word "Krebs cycle"
8 0
3 years ago
Anyone know the answer ?
horrorfan [7]

Answer:

advantages of sexual reproduction:

it produces variation in the offspring

the species can adapt to new environments due to variation, which gives them a survival advantage

a disease is less likely to affect all the individuals in a population

disadvantages of sexual reproduction:

time and energy are needed to find a mate

it is not possible for an isolated individual

advantages of asexual reproduction

the population can increase rapidly when the conditions are favourable

only one parent is needed

it is more time and energy efficient as you don't need a mate

Disadvantages of asexual reproduction

it does not lead to variation in a population

the species may only be suited to one habitat

disease may affect all the individuals in a population

Explanation:

6 0
3 years ago
How many times does the moon orbit earth in one year
SVETLANKA909090 [29]

Hello.

The Moon makes a full orbit around the Earth approximately once every 28 days. This means that the Moon orbits the Earth around 13 times in a year.

Hope this helps! Have an amazing rest of your day

6 0
3 years ago
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