BIOLOGY HIGH SCHOOL

Which of the following is the best example of a way human lifestyles affect environmental systems?Burning fossil fuels increases the amount of greenhouse gases in the atmosphere.
Using radioactive materials causes ground pollution when chlorofluorocarbons (CFCs) seep into the ground.
Deforestation causes water pollution by decreasing water vapor in nearby lakes and rivers.
Using aerosol sprays increases the amount of ozone (O3) in the atmosphere.

Answers

Answer 1
Answer: The first one is the best example because fossil fuels are very scarce on earth and cannot be replaced burning them increases greenhouse gasses such as (carbon dioxide - CO2, water vapor and methane) when these are released into the environment they lead to global warming. One is the answer because it is directly caused by humans and how they live and directly affects the environment.
Answer 2
Answer:

The best example of a way human lifestyles affect environmental systems is that burning fossil fuels increases the amount of greenhousegases in the atmosphere.

WHAT IS POLLUTION

  • Pollution is the release of toxic or harmful substances into the environment. These toxic substances can either be released into the air, water or land.

  • Anthropogenic activities i.e. human activities can be a source of pollution to the environment.

  • Fossil fuels include petrol, kerosene etc. and when burnt via the use of automobiles can release greenhouse gases like CO2, SO2 into the atmosphere causing global warming.

Therefore, the best example of a way human lifestyles affect environmental systems is that burningfossil fuels increases the amount of greenhouse gases in the atmosphere.

Learn more about pollution at: brainly.com/question/1578512

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The cluster of developing cells from conception until birth is called what?

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 the answer to that question is embryo

Which method is best for tracking your progress with weight traingin?

Answers

A chart. To count reps and such. And know when to add more weight of the bars and the like.

What is the term for the two upper chambers of the heart?

Answers

The two upper chambers are the atria or auricles. They are the left and right atriums

Sister chromatids separate during _____.

Answers

Answer:

The separation of sister chromatids occur duringanaphase.

Explanation:

Sister chromatid is the single half copy of a chromosome. Two sister chromatids are joined together by the centromere.

Anaphase stage of cell division ( mitosis and meiosis)  leads to the separation of sister chromatids. Two important enzymes involved in the process of sister chromatid separation are securin ans separase.

Thus, the answer is anaphase.

Anaphase is a crucial stage of cell division, occurring after metaphase and preceding telophase. Sister chromatids separate during cell division in a process called "anaphase."

Anaphase is a stage of both mitosis and meiosis where the sister chromatids, which are replicated copies of a chromosome held together by a structure called the centromere, are pulled apart and move toward opposite poles of the cell. This separation ensures that each resulting daughter cell receives a complete set of chromosomes. Once the sister chromatids are separated, they are considered individual chromosomes, and the cell division process continues with the formation of two new daughter cells.

Therefore, sister chromatids separate during cell division in a process called "anaphase."

For more details regarding cell division, visit:

brainly.com/question/29773280

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What structure serves as a passageway for both air and food?

Answers

Primarily the pharynx, the trachea and bronchi.

Explain why Omaha which is further inland has a greater variation in temperature throughout the year then Eureka which is closer to the ocean

Answers

the areas around the coastal belt of an ocean generally shows less variations in its temperature. the reason is the amount of humidty in the air. the presence of water vapours in the air keeps the temperature from variating too much. also the sea breeze blowing keeps the humidity intact and that in turns keeps the temperature steady.since omaha is located farther from the coast,it shows more variation because there is less humidity in the air. where as eureka which is closer to the sea shows less variation because it has more humidity
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