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
vladimir2022 [97]
3 years ago
15

Which of these is an element? A)air B)Carbon dioxide(CO2) C)water(H20) D)carbon(c)

Chemistry
1 answer:
Marrrta [24]3 years ago
4 0
D-carbon cuz the rest are compunds
You might be interested in
Identify the factors that govern the speed and direction of a reaction. Check all that apply.
Fiesta28 [93]

Answer: option B and option C

Explanation:

4 0
3 years ago
Changes in the composition of the atmosphere have caused gradual changes in earth's _______ throughout history, causing changes
bearhunter [10]

climate

Changes in the composition of the atmosphere have caused gradual changes in earth's <u>climate</u> throughout history, causing changes in plant and animal life that contributed to mass extinctions.

The following are some of the reasons:

  • UV light
  • climate
  • pollutants
  • hydrofluorocarbons

heat

  • The surface of the Earth warms up as sunlight strikes it.
  • Surface-emitted infrared light is absorbed in the atmosphere and transformed into heat.
  • The temperature close to the surface rises as a result of this heat being trapped in the atmosphere.
<h3>UV light:</h3>
  • indirect impacts of climate change on UV radiation from the surface.
  • By changing the concentrations of ozone, UV-absorbing tropospheric gases, aerosols, and clouds in the atmosphere, climate change may have indirectly affected UV radiation levels in the past.
  • These influences are probably going to persist in the future.
<h3>climate:</h3>
  • People are at risk from food and water shortages, greater flooding, high heat, an increase in disease, and economic loss due to climate change.
  • Conflict and human migration are potential outcomes.
  • Climate change is the top hazard to world health in the twenty-first century, according to the World Health Organization (WHO).
<h3>pollutants:</h3>
  • these are also resulting in the increase of temperature of the Earth and is also damaging ozone layer.

To learn more about the changes in earth visit:

brainly.com/question/13434833?

#SPJ4

6 0
1 year ago
What is the volume of one mole of any gas at STP?
Vikki [24]
The volume of one mole of any gas at Standard Temperature and Pressure (1 atm and 0 degrees Celsius [273K]) is 22.4 L.
7 0
3 years ago
How can a person reduce consumption of natural resources when drinking water? Assume that you are not going to change the amount
miss Akunina [59]

Answer:

It will reduce the natural resources by not littering, putting trash in the recycle bin or trash bin. I will also keep drinking the normal amount a day which would be 3-4 bottles of water.  I will also not throw my trash on the ground or any thing like that it will stay with me until i'm near a trash can.   If you litter than you are ki**ing a poor innocent animal or mammal so please don't litter.

Explanation:

l'm sorry if its wrong but hope it helps you

4 0
2 years ago
??????????????? why ????????????????
stealth61 [152]

Answer:

because

Explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • On a molar basis, which is a more effective bleaching agent- kbro3 or naocl?
    7·1 answer
  • Which is a pure substance?
    13·1 answer
  • "What makes a bond polar"?
    11·1 answer
  • 6. Suppose you are going to measure the length of a pencil in centimeters.
    10·1 answer
  • How many grams of calcium chloride will be produced when 28.0 g 28.0 g of calcium carbonate is combined with 14.0 g 14.0 g of hy
    14·2 answers
  • 6. Explain a situation in which elastic potential energy could be transformed into kinetic energy.
    7·1 answer
  • 3. Explain what would happen to the digestion process if enzymes were not present. SC.6.L.14.5​
    12·1 answer
  • Pls help!! Which statement about sodium chloride is correct?
    8·2 answers
  • A solar eclipse can only occur at New Moon when the Moon passes between Earth and Sun. If the Moon's shadow happens to fall upon
    10·2 answers
  • How many moles are in 75.0g of Na2CO3
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!