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natali 33 [55]
3 years ago
10

2. Heavy metals that pose health hazards to people and ecosystems occur __________. a. as a by-product of agriculture b. over ex

tended periods of time c. very quickly with tragic results d. all of the above
Biology
2 answers:
Nuetrik [128]3 years ago
7 0

Answer:

Many of these substances, when eaten, cause serious health problems over time.

Explanation:

yep

Levart [38]3 years ago
6 0
The appropriate answer is doing. All of the above. Heavy metals are sometimes used in agricultural chemicals and can contaminate both terrestrial and aquatic ecosystems. Heavy metal concentrations can build up overtime as industrialization progressed. Chemical spills can introduce heavy metals to ecosystems quickly with devastating effects.
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docker41 [41]

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8 0
3 years ago
HELP FAST!!!!
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Biotechnology, by the word itself is a technology that is centered in biology. It is the exploitation of biological process. Biotechnology has harness the cellular and bio molecular processes to develop technologies and product that help us elevate our lives. With the help of biotechnology, we are able to modify the products for its specific use. Let me give you an example of the following:

<span>1.    </span>Medicine: In medicine, the modern biotechnology had provided products that could combat rare diseases. Currently, around 250 biotechnology health care products and vaccines were made as well as those that are known to be untreated.

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6 0
3 years ago
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