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Anni [7]
4 years ago
7

Which is a pollutant associated with high-tech gadgets in landfills?​

Biology
2 answers:
kvv77 [185]4 years ago
8 0

Answer:

Heavy metals such as plumb, mercury, arsenic, etcetera.

Explanation:

There are many heavy metals used in high-tech gadgets, such as mercury, cadmium, arsenic, among others.

The pollution produced by industries, technology, agriculture, mining industry, and the indiscriminate use of fertilizers and other chemicals on land is increasing the amounts of heavy metals. These substances are incorporated in rivers, lakes, underground water, vegetables, and animals. These pollutants alter the trophic chain

sustainability creating potential risks in nature and societies, because of the problems to human and animal health.

ZanzabumX [31]4 years ago
6 0

Answer:

Lead is the major pollutants of high-tech gadgets, occupying 40%, while other metals 75%.This is because Pb forms lager components of these gadgets.For example a desktop computer contains about 10 pounds of Pb.

The lead to recycle these material to prevent pollution is important.

Explanation:

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Explain how genetic information of aminio acids support evidence of common ancestery and diversity​
zloy xaker [14]

Answer:

DNA and genetic code

Explanation:

Comparing DNA can show how species are related.

3 0
3 years ago
Is acid rain causing a decline of frog population? (variables/scientific method)
Oksi-84 [34.3K]
Yes. Acid rain destroys frog’s and tadpoles’ (young frogs) habitat of lakes and depletes oxygen supply in the lakes.
6 0
3 years ago
Why are detritivores, decomposers and omnivores not assigned trophic levels
Sholpan [36]

Answer:

The reason is because detritivores and decomposers and omnivores are multilevel food chain consumers in an ecosystem making them not qualified to be assigned to a given trophic level

Explanation:

An organism is placed in a trophic level based the level it is from where the food chain starts with the start of the food chain having a level of 1 for the food producers such including plants and algae

Level 2 organisms are called primary consumers and consists of organism that eat only plants known as herbivores such as cattle

Level 3 organisms are called secondary consumers and consists of animal eating organism known as carnivores such as foxes  etc.  

Level 4 organisms are called tertiary consumers  

Level 5 organisms are the a p e x p r e d a t o r s

Detritivores and decomposers such as bacteria, earthworm flies fungi consume the wastes produced at all trophic levels, therefore they cannot be assigned to a particular trophic level

Similarly, omnivores consumes both plants at level 2 and animals at level 3 making it ambiguous to assign them to one particular trophic level.

6 0
3 years ago
When true breeding brown dogs are mated with certain true breeding white dogs, all of the F1 pups are white. The F2 progeny from
spayn [35]

Answer:

The results indicate that two independently assorting genes are involved (modified 9:3:3:1 ratio), with white blocking the expression of color by the other gene. The ratio of white : color pups is 3:1, indicating that the F.1 is heterogeneous (W/w). Among colored dogs, the ratio is 3 black : 1 brown, indicating that black is dominant to brown, and the F.1 is heterogeneous (B/b). The original brown dog is w/w ; b/b, and the original white dog is W/W ; B/B. The F.1 progeny are W/w ; B/b, and the F.2 progeny are: 12: 3: 1.

9 W/- ; B/-

3 W/- ; b/b

3 w/w ; B/-

1 w/w ; b/b

white

white

black

brown

7 0
4 years ago
Why it is important to be balanced and use self-control?
Westkost [7]
Because without those things many people have become disortedly fat because of non selfcontrol and being ballenced will keep you healthy
5 0
3 years ago
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