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
alekssr [168]
3 years ago
6

Over the last several decades, what have researchers discovered about atmospheric CO2 levels?1 They have decreased.2 They have i

ncreased.3 They have remained the same.4 They increased for a period, but have now stabilized.
Biology
1 answer:
Anna11 [10]3 years ago
4 0

Answer:

they have increased

Explanation:

What happens with pollution is that every day are tons of CO2 liberated to the atmosphere. those tons of pollution supose to be regulated by the states, but that is not what actually happens in third world countries there is an almost uncontrolable increase of CO2 liberation at the atmosphere. In the first world countries it's more controlled but still haven't decreased the CO2 levels released into the atmosphere.

The CNN (an spanish daily paper) said: the CO2 levels are the highest in the last 3 million years, in a new released the past april.

You might be interested in
Population growth is the change in the number of ________ in a population over time.
lions [1.4K]
Population growth is the change in the number of INDIVIDUALS in a population over time. 
7 0
3 years ago
Precipitation of water on the land surface in the hydrologic cycle leads directly to
user100 [1]
Precipitation of water on the land surface in the hydrologic cycle leads directly to evaporation, filtration and run off
When water is release from clouds in the form of rain, sleet, hail, freezing rain, or snow precipitation happens. It is the main connection in the water cycle that gives for the transfer of atmospheric water to the Earth. 
7 0
3 years ago
Read 2 more answers
External vs Internal environment
inna [77]

Answer:

Internal environmental factors are events that occur within an organization. External environmental factors are events that take place outside of the organization and are harder to predict and control.

3 0
3 years ago
What measure is used to determine a star's absolute magnitude?
Elanso [62]

Answer:

A you use apparent magnitude to find the absolute magnitude

5 0
2 years ago
Clouds form when the water vapor in air condenses as
svlad2 [7]

Answer:

Clouds form when the invisible water vapor in the air condenses into visible water droplets or ice crystals. For this to happen, the parcel of air must be saturated, i.e. unable to hold all the water it contains in vapor form, so it starts to condense into a liquid or solid form.

Explanation:

7 0
2 years ago
Other questions:
  • What is the most common method large businesses use to communicate their views on environmental issues to legislators?
    14·1 answer
  • Identify the highlighted muscle (muscular system, upper limb)
    13·1 answer
  • Which is an example of a solution?<br> A) air <br> B) oxygen <br> C) salt <br> D) water
    12·2 answers
  • There is a theory that gravity could pull galaxies back together, causing a reverse big bang.
    11·2 answers
  • Where does the goldenrod plant originate from?
    10·1 answer
  • Plz help I will mark you brainlist plz ​
    10·2 answers
  • Why does the body slow down during extreme heat that cause me it to work harder to maintain normal body conditions
    7·1 answer
  • Hey guys i am bòred wanna chàt​
    15·1 answer
  • 2. What fluvial landform is A?
    6·1 answer
  • I need help with this...​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!