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Mice21 [21]
4 years ago
14

Explain the effect of DDT on living organisms. PLEASE HELP

Biology
1 answer:
Andreyy894 years ago
5 0

Answer:

In experimental animals, such as mice, rats, and dogs, DDT has shown to cause chronic effects on the nervous system, liver, kidneys, and immune system.  It has also been found that humans, who were occupationally exposed to DDT, suffered chromosomal damage.

Explanation:

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Classify these substances as acidic, basic, or neutral:
Alex
Acidic substance(s):
Vinegar contain acetic acid 
Tomato Juice contain citric acid

Basic substance(s):
Baking Soda contains Sodium Carbonate

Neutral Substance(s):
In the process of producing sugar, the sugar cane juice is acidic but goes through a process where it's acidity is neutralized and as such the crystalline sugar ends up neutral
5 0
3 years ago
Compare renewable and nonrenewable resources, and discuss the effects of each on biodiversity.
Andrei [34K]

Answer:

Renewable resources cannot disappear, non-renewables will not last forever. Non-renewable energy sources, such as coal, nuclear power, oil, and natural gas, are available in limited quantities.

Explanation:

A renewable resource, for example, is solar energy. It is renewable because the sun can never disappear.

Non-renewable resources take a long time to replenish, if this ever happens. Renewable resources naturally recharge over a relatively short period. Non-renewable resources are natural resources that exist in fixed quantities and can be utilized. Examples include fossil fuels such as oil, coal and natural gas.

Both types of resources have a big influence on biodiversity and people shouldn't be spending them without limit.

4 0
3 years ago
How does rough ER from smooth ER?
irinina [24]

Answer:

Rough endoplasmic reticulum differ from smooth endoplasmic reticulum by the presence and absence of ribosomes in their surface.

Explanation:

Rough endoplasmic is named so because RER contain ribosomes at their surface and due to the presence of ribosomes rough endoplasmic reticulum play an importnt role in protein synthesis or translation.

 Whereas smooth endoplasmic reticulum does not contain any ribosome in its surface.smooth endoplasmic reticulum helps in the biosynthesis of lipid and steroids along with detoxification of toxic compounds.

3 0
3 years ago
A food handler who fails to report illness to the person in charge could cause a physical contamination?
Hunter-Best [27]

Answer:

True

Explanation:

Physical contamination are foreign objects such as hair, fingernails, broken glasses , jewelries etc that are mixed with food. Although, it is important for a food handler who realizes that he is sick such as having fever, jaundice,wound while working to report such to his supervisor or manager,who will then take necessary action and to avoid risk of contamination; yet not the only cause of physical food contamination.

Physical contamination does not necessarily have to occur until the food handler is sick. It could be as a result of carelessness or not paying attention enough by the food handler . Physical contamination might not at all times cause injury or illness to the customer, yet such could bring discomfort to a customer who notices foreign objects in his food while eating. To avoid risk of physical food contamination, it is important for food handlers to keep jewelries to a minimum, wash fruits and vegetables thoroughly, wear hear neatly tied back, throw out and replace cracked, chipped, or broken dishware, glassware and equipment amongst others.

8 0
3 years ago
The higher the temperature of water, the faster an egg will cook.
Furkat [3]

The answer is <u>True</u><u>.</u> When higher is the temperature of water, the faster an egg will cook.

8 0
3 years ago
Read 2 more answers
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