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neonofarm [45]
2 years ago
8

How does soil pollution affect the productivity of soil?

Biology
2 answers:
a_sh-v [17]2 years ago
5 0
Losing topsoil to erosion contributes to a loss of inherent soil fertility levels of nitrogen, P, K, and thus to a decline in potential crop yield. The addition of manure and fertilizer can supply needed crop nutrients and help offset some loss of inherent fertility caused by soil erosion.
suter [353]2 years ago
4 0

Answer:

The toxic chemicals present in the soil can decrease soil fertility and therefore decrease in the soil yield. The contaminated soil is then used to produce fruits and vegetables, which lacks quality nutrients and may contain some poisonous substance to cause serious health problems in people consuming them.

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Science and technology have both positive and negative effects on society. What could be a negative effect of using cell phones?
LUCKY_DIMON [66]

Answer:

C. Using cell phones while driving increases the likelihood of crashing.

Explanation:

As the statement mentions, science and technology have improved our livelihoods significantly. However, they have also brought numerous disadvantages.

The development of cell phones has made our lives easier. In contrast to [only] 50 years ago, <u>communication has become extremely easy and fast</u>. We are able to share our location with someone in less than a minute and to call a family member even if we are thousands of kilometers away.

However, people are now overusing these equipments, which has led to an increase of road accidents due to the lack of concentration while driving. For instance, according to statistics, in 2018 over 4,000 people died in car crashes because they were using cell phones while driving.

Therefore, <u>a negative effect of using cell phones would be C. using cell phones while driving increases the likelihood of crashing.</u>

7 0
3 years ago
Read 2 more answers
This type of research is descriptive and investigates the why and how of decision making, not just what, where, when. These meth
sweet [91]

Answer:

The correct answer is - option D.

Explanation:

Qualitative research is research or scientific method which is involved in various subject matters and fields, of collecting observation and nonnumeric data. This is the research normally is descriptive, exploratory and other qualitative methods to answer the question.

It is an investigation that is not just addressed what and where but also to the questions like how, and why. This is the reason these are used in small samples rather than large samples and also used on species cases to get information.

Thus, the correct answer is - option D.

4 0
3 years ago
What molecules is this?​
Kamila [148]
I’m pretty sure the C molecules are carbon dioxide? And the O molecules are Oxygen? yeah.. I’m pretty sure
8 0
3 years ago
PLEASE HELP this is a free response question.
Mariana [72]

Answer:

oxygen is an element and water is a compound

Explanation:

oxygen is made up of two atoms and water is made up of two elements

7 0
2 years ago
Which of these describes a quantitative observation?
Sergio [31]

Answer: <u><em>D. An observation that has a number associated with it</em></u>

Explanation: The answer is D. An observation that has a number associated with it. I would explain further, but it is pretty self explanatory.

<em>Good luck!</em>

3 0
3 years ago
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