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GuDViN [60]
2 years ago
10

A major reason that humans can have such a significant impact on an ecological community is that humans…

Biology
1 answer:
Llana [10]2 years ago
8 0

Answer:

waste energy

Explanation:

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Where would you find a strong acid on the pH scale?<br> A. 1<br> B. 5<br> C. 3 <br> D. 13
aivan3 [116]

Answer:

A. 1

Explanation:

pH is a measure of how acidic/basic a substance is. The range goes from 0 - 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base.

note: the closer you are to the neutral the weaker it gets.

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2 years ago
Why is salivary amylase active for only an hour or so, whereas lingual lipase isn't active until reaching the stomach
leva [86]

Salivary amylase will be active for only an hour or so because the optimum pH for activity of amylase is about 6.7–7.0 which is available in the mouth but the pH of the stomach is acidic around 1-2 due to which the amylase enzyme becomes inactive in short-time.

The lingual lipase enzyme is present in the saliva but isn't active until reaching the stomach because this enzyme is acid stable and works efficiently in the stomach, not in the mouth.

Amylase enzyme is secreted in the mouth and is responsible for the breakdown of starch in food into sugars and it starts acting as soon as we put food in the mouth whereas Lingual lipase enzyme is secreted along with saliva but it is not active in the mouth rather its activity starts in the stomach which is responsible for the degradation of triacylglycerol molecules.

Learn more about enzymes here

brainly.com/question/17320375

#SPJ4

3 0
1 year ago
1. what is the difference between  facts theory and hypothesis
ioda

Answer:

1. Fact: Observations about the world around us. Example: “It’s bright outside.”

Hypothesis: A proposed explanation for a phenomenon made as a starting point for further investigation. Example: “It’s bright outside because the sun is probably out.”

Theory: A well-substantiated explanation acquired through the scientific method and repeatedly tested and confirmed through observation and experimentation. Example: “When the sun is out, it tends to make it bright outside.”

3. As a field of science, biology helps us understand the living world and the ways its many species (including humans) function, evolve, and interact. Advances in medicine, agriculture, biotechnology, and many other areas of biology have brought improvements in the quality of life.

5. Its the ending answer/result of the experiment.

this is what i could get, sorry its not all of them

8 0
3 years ago
All of the following are forms of radiation except ____ rays.
hram777 [196]
All of the following are forms of radiation except A. Stabilizing rays.
3 0
3 years ago
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What is another name for trees that have broad leaves?
Andrej [43]
<span>Trees with broad leaves are commonly known as Hardwoods. They belong in the botanical group of trees known as angiosperms. Angiosperms produce fruits or cones containing seeds within them. Oak trees, magnolia trees and maple trees are examples of broad leafed hardwood trees.</span>
3 0
3 years ago
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