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umka2103 [35]
3 years ago
10

Which of the following is a testable scientific question

Biology
2 answers:
katovenus [111]3 years ago
4 0

Answer: Just took the test: Its "How does the age of city affect the number of trees in the city? "

sineoko [7]3 years ago
3 0
Where are the questions so i can answer them?
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Mankind has used biotechnology in agriculture, food production, and medicine for thousands of years. As advances are made in bio
scoundrel [369]

Answer:

D dangerous organisms

Explanation:

i’m almost 100% positive if not then it’s probably A global warming

7 0
3 years ago
The amount of biomass that is produced in an area during a given time would be referred to as?
sweet [91]

Answer:

Explanation:

The amount of biomass that is produced in an area during a given time is referred to as primary production/productivity.

<h3>What is biomass?</h3>
  • Renewable organic material obtained from plant and animal sources if referred to as biomass.
  • Primary productivity is the production of organic compounds through the process of photosynthesis, with the help of solar energy.
  • Primary productivity is measured as biomass produced per unit area over a give time period
  • It is usually expressed either in weight or energy.
  • There are two ways to express primary productivity:

a) Gross Primary Productivity(GPP): Takes into account the total energy produced in the ecosystem.

b) Net primary Productivity(NPP): Takes into account, solely the energy used by the producer for respiration.

To learn more about biomass, refer:

brainly.com/question/25876556

#SPJ2

6 0
2 years ago
Which of the following is a common renewable resource found in deserts
frez [133]

Minerals

Explanation:

Minerals can be found in the cactus and ground and are very resourceful

3 0
3 years ago
What could be a cause of melanoma?
Alik [6]
<span>Causes Of Melanoma. Ultraviolet rays Most skin cancers are caused by too much exposure to the sun's ultraviolet (UV) rays. The two types of UV rays that cause melanoma are UV-A and UV-B rays.</span>
5 0
3 years ago
Is Solid waste point source pollution or non point source pollution?
Yanka [14]

Answer:

Nonpoint-source pollution is the opposite of point-source pollution, with pollutants released in a wide area. As an example, picture a city street during a thunderstorm. As rainwater flows over asphalt, it washes away drops of oil that leaked from car engines, particles of tire rubber, dog waste, and trash. The runoff goes into a storm sewer and ends up in a nearby river. Runoff is a major cause of nonpoint-source pollution. It is a big problem in cities because of all the hard surfaces, including streets and roofs. The amount of pollutants washed from a single city block might be small, but when you add up the miles and miles of pavement in a big city you get a big problem.

In rural areas, runoff can wash sediment from the roads in a logged-over forest tract. It can also carry acid from abandoned mines and flush pesticides and fertilizer from farm fields. All of this pollution is likely to wind up in streams, rivers, and lakes.

Airborne pollutants are major contributors to acid rain. It forms in the atmosphere when sulfur dioxide and nitrogen oxides combine with water. Because acid rain results from the long-range movement of those pollutants from many factories and power plants, it is considered nonpoint-source pollution.

Explanation:

5 0
3 years ago
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