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
ipn [44]
3 years ago
5

Look at the levels of carbon dioxide in the data table below. Carbon in the Atmosphere mc026-1.jpg By how much did carbon dioxid

e levels increase from 1980 to 2000? 22 ppm 32 ppm 45 ppm 51 ppm
Biology
2 answers:
aliina [53]3 years ago
8 0
The answer is 32 ppm.
sasho [114]3 years ago
5 0

Answer:32

Explanation:

You might be interested in
Large populations of tortoises inhabited the Galapagos Islands before humans. When humans settled on the islands and introduced
sertanlavr [38]

Answer:it reached carrying capacity. the environment couldn't hold both the goat and tortises

Explanation:

3 0
3 years ago
3. Roads in urban areas are generally
vovangra [49]

Answer:

parallel and intersect at right angles

Explanation:

The roads in the urban areas tend to be very well organized and constructed. They tend to be parallel to each other, and also to intersect at right angels. The reason for this kind of building of the roads in the urban areas is to make the movement in the urban areas much easier and more efficient, mostly putting the accent on the traffic. It is a fact that the traffic is a big problem in the urban areas, so by constructing the roads in a well organized manner, the traffic jam eases up and the citizens can move more easily and quickly.

3 0
3 years ago
The walls of the human heart are made of a specialized form of muscle tissue known as cardiac tissue. This cardiac, or heart, ti
Natalka [10]

Answer:

d. cells

cardiac tissue are made up of cells.

8 0
2 years ago
According to appearances, which light produces the healthiest plant?
Dennis_Churaev [7]

Answer:

Blue light

Adding 10-20% blue light allowed plants to grow much healthier, with a compact appearance. There is also far-red light which is has wavelengths that are lower than normal red light–similar to near-infrared wavelengths. Far-red light helps the plants produce greater yields.

3 0
3 years ago
Which of the following is a limitation of using a model to study a natural event?
Leto [7]

Answer:

C. The results of a model event may not be similar enough to the results of the actual event.

Explanation:

The problem with models is that sometimes we trust them too much! Sometimes they are not accurate for long-term actual events. This is answer choice C.

  • Models are never more accurate than reality, so rule out A.
  • The model is based on our predictions of the actual event, so rule out B.
  • The model being "too similar" to the actual event is what we want! So rule out D.
4 0
2 years ago
Read 2 more answers
Other questions:
  • __________ result(s) from compression stress like that found at convergent plate boundaries.
    9·1 answer
  • ⦁ Fill in the description or the name of the organelle.
    15·2 answers
  • Maintaining internal conditions within in an organism is a characteristic of life known as _____. metabolism energy cells homeos
    13·1 answer
  • A normal Q wave is a result of what
    8·1 answer
  • Which statement best describes the hydrosphere?
    10·1 answer
  • Why is the following sentence false?
    9·1 answer
  • Which particles will be transported by a stream moving at a velocity of 5 cm/s?
    11·1 answer
  • What are frankenfoods? Are Genetically Modefied foods safe?
    8·1 answer
  • What is the main idea of this text?
    12·2 answers
  • Summarize the functions of the nervous system. (1 point)
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!