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
Archy [21]
4 years ago
5

Which of the following statements about crossing over is true?

Biology
1 answer:
Vladimir79 [104]4 years ago
3 0

Answer:2

Explanation:

You might be interested in
1)In your own words explain what air pollution is
Anna11 [10]

Explanation:

Question 1

Air pollution is the introduction of harmful gases and substances into the atmosphere that renders it unfit for use for life. Some of these toxic gases and particulates are:

  • Carbon monoxide
  • Carbon dioxide
  • Nitrogen oxides
  • Smoke
  • Dust particles
  • Soot

Question 2

Natural forms are the original nature or outlook of a substance. Examples of natural forms are:

  • Flowers
  • Leaves
  • Animals
  • Rocks
  • Shells
  • Corals

Question 3

Anthropogenic cause of pollution are human causes of pollution. Some of these are:

  • Combustion of fossil fuels in internal combustion engines release harmful and toxic gases into the atmosphere and causes hair pollution.
  • Improper disposal of waste can produce effluent that reaches the ground water system and other fresh water sources.
  • Noise pollution from airports is very harmful to ear.
  • Mining activities degrades soil and removes rich fertile soils that should be used for agriculture.
  • Mining wastes can lead to contamination of water bodies around.

Question 4

Fossil fuels are fuel types that forms from natural process in which organisms are decomposed anaerobically to preserve their energy components. Some of these fuels are:

  • Coal
  • Crude oil
  • Natural gas

Question 5

  • Heart diseases ; ischaemic heart diseases can lead to failure of the heart when it does not receive enough oxygen from the environment. Air pollution contaminates available oxygen in the atmosphere and this is very dangerous to life.
  • Lung cancer: poor air quality can lead to the development of cancerous tumor in the lungs.
  • Asthma: air pollution is one of the leading cause of asthma.

Other notable mentions are bronchitis, pulmonary diseases, stroke

Question 6

_7 million____ people die each year from air pollution according to the world health organization

Question 7

Air Quality Index(AQI) is an indicator used to express the quality of air in particular area. The AQI can tell the present air quality condition. It can also be used to forecast future air quality in years to come.

It shows how clean and polluted the air is.

Question 8

The air quality index uses different colors to alert people about the quality of air. Each color represents different health implication of air quality:

     Attached image shows the different colors used to alert people of about the air quality.

Question 9

  • About 7 million people die annually as a result of air pollution
  • Beijing cough is new disease that emanates from the rising air pollution in Beijing
  • Asia has the fastest rising cases of air pollution problems.
  • The best way to reduce air pollution is by riding bicycles and walking more.

Learn more:

Air pollution brainly.com/question/10743354

#learnwithBrainly

3 0
4 years ago
WILL HIGHER RANK/ REWARD:)
Sauron [17]
Number 4 is not part of the cell theory
4 0
4 years ago
Xerophytes minimize water loss by _____. view available hint(s) xerophytes minimize water loss by _____. using the c3 pathway de
Bad White [126]

Answer:

Use the CAM pathway

Explanation:

  • Xerophytes are plants  that have adapted to arid climates. They have evolutionary developed adaptations to reduce the rate of transpiration so as to conserve water.
  • Among the adaptations include; thick cuticle, small, thick leaves, reducing the surface area relative to the volume of the leaf, etc.
  • Additionally, they use CAM pathway as an alternative photosynthetic pathway to minimize water loss.
6 0
4 years ago
IDENTIFY the factors that cause technology to progress/evolve/develop. EXPLAIN/DESCRIBE each.
DerKrebs [107]
Great Human minds that are driven by a passion to push forward have revolutionized the technology industry. People wanting to always see more and feel more drive development.
5 0
3 years ago
Describe the differences in density, how they appear, and what effect has on the the climate of the globe.
lisov135 [29]

Explanation:

Since urban areas feature high concentrations of people, they are also more deadly during natural disasters. If climate change leads to more frequent and intense storms and floods, high-density population centers will be among the most exposed.

3 0
3 years ago
Other questions:
  • Which of the following produces the first heart sound?
    10·2 answers
  • Brings macromolecules into a cell
    13·1 answer
  • Is it true that all things in earth have two or more cells?
    8·2 answers
  • If you help me I will mark you as brainiest.. thank you so much
    9·1 answer
  • Choose all the answers that apply. Which of the following is a source of watershed pollution? pesticide fertilizer animal waste
    8·2 answers
  • A 2016 experiment by researchers at UC Irvine established a link between autonomic nervous system activity during sleep and memo
    11·1 answer
  • The term aerotolerant anaerobe refers to an organism that:
    12·1 answer
  • Which of the following describes a choanocyte?
    12·1 answer
  • What is the composition of a tetrad at the beginning of prophase i?.
    14·1 answer
  • The diagram shows the life cycle of a dragonfly. Which stage in the diagram best shows that a nymph emerges from a fertilized eg
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!