1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Nonamiya [84]
1 year ago
9

What is true about the thickness of the ozone layer?

Biology
2 answers:
inna [77]1 year ago
7 0

Answer:

A

Explanation:

The top answer is correct, over time it has become weaker.

Snezhnost [94]1 year ago
4 0

Answer: <em>The answer is A (It has gradually decreased in the last couple of years)</em>

  • Over the Earth's surface, the ozone layer's average thickness is about 300 Dobson Units, or a layer that is 3 millimeters thick.

  • The thickness of the ozone layer changes due to increasing concentrations of ozone-depleting substances in the atmosphere.
  • Air motions also increase the ver- tical thickness of the ozone layer near the poles, which increases the value of total ozone in those regions. Tropospheric weather systems can temporarily reduce the thickness of the stratospheric ozone layer in a region, low- ering total ozone at the same time.

  • It is thinning due to the release of man-made compounds called chlorofluorocarbons (CFC). The net effect that CFCs have on the ozone layer is to recombine an oxygen atom with an ozone molecule to form two oxygen molecules. From 1978 to 1991, global stratospheric ozone levels have decreased by 3%.

You might be interested in
The cell shown in the diagram is ?
aleksley [76]

Answer:

Plant cell

Explanation:

Because vacuole, chloroplast and cell wall is only present in A Plant cell

5 0
2 years ago
What allows scientists to predict future climate change with some sense of accuracy?
iren [92.7K]

Answer:

Climate models can show the composition of the atmosphere in the future.

Explanation:

Climate models help predict how the average conditions will change in a region and they also serve as an extension of weather forecasting. They are quite broad and can make analysis and predictions over long time spans.

These models are generated from some set of mathematical principles with different data points numbering over a thousand. These large data points help increase the accuracy of the models.

4 0
3 years ago
Which part of the nervous system is outside the brain and spinal cord?<br> nervous system
dedylja [7]

Answer: The peripheral nervous system.

Explanation: We have two parts to our nervous system. The central nervous system and the peripheral nervous system. The CNS is located in the brain and spinal cord the PNS is the nerves and ganglia outside of those.

5 0
2 years ago
Read 2 more answers
What happens in the light reactions of photosynthesis
abruzzese [7]
The answer is A
Light is captured and stored in vacuoles
3 0
3 years ago
A population of bacteria is treated with hand sanitizer. Because of genetic variation in the population, what is the possible ou
velikii [3]

Answer:

D. Some of the bacteria may be resistant and survive.

6 0
2 years ago
Other questions:
  • Proteins act as what in cells to control reactions
    12·1 answer
  • To study the details of protein molecules on the surface of a cell, a biologist would likely use a (2 points)
    13·1 answer
  • Heterotrophic organisms used the process of fermentation to nourish. What is fermentation?
    9·2 answers
  • Trace the blood flow beginning with the right atrium to the 5th digit of the right hand and back again. Use the terms below.
    7·1 answer
  • Which of the following statements reflects the Western worldview?
    13·1 answer
  • Hypothesis Practice which Oreo cookies filling do you think the class would like the best chocolate, vanilla creme or peanut but
    8·1 answer
  • Which type of musical piece describes nature? Question 1 options: A program music B nature music c sacred music D serenade
    12·2 answers
  • What is one way to completely guarantee you will not contact the HIV virus such as AIDS?
    12·1 answer
  • I need help ASAP e e e e
    11·2 answers
  • What are sugar and water in a homogenous mixture of sugar and water?
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!