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Setler [38]
2 years ago
15

Gold, quartz, and talc are minerals. Copper and iron are types of ore. What is the difference between minerals and ores?

Biology
1 answer:
PolarNik [594]2 years ago
3 0

Answer:

A

Explanation:

All ores are minerals. Minerals are naturally occuring compound. they are more valuable than ore while ores are those minerals from which metal are extracted conveniently and profitably

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In order for an ecosystem to be healthy is does not need to have different kinds of plants and animals.
soldier1979 [14.2K]

Answer:

false

Explanation:

biodiversity is crucial to a healthy ecosystem

7 0
2 years ago
why are Gram-positive bacteria are more resistant than Gram-negative bacteria to antimicrobials that disrupt plasma membranes
NikAS [45]

Answer:

Gram positive bacteria are more resistant than gram negative bacteria to antimicrobials that disrupt plasma membranes because they have cell wall that is made up of a thick layer of peptidologlycan that contain teichoic and lipoteichoic acid to peptidoglycan.

Explanation:

Gram positive bacteria are bacteria that have thick wall made up of peptidoglycan and have no lipid membrane while gram negative bacteria are bacteria that have thin cell wall composed of peptidoglycan with lipid membrane.

Gram positive bacteria is resistant to antibiotics because of their thick cell wall composed of peptidoglylcan which contain teichoic and lipoteichoic acid , this help strengthen the plasma membranes and make them not to be attached by antimicrobial compared to gram negative that lack this.

6 0
3 years ago
In which situation would new technology be most likely to cause change in a excising theory about new structures in a cell
Ksivusya [100]

Answer:

It should be the new technology allows detection of a structure that could not be detected previously.

Please mark me brainliest if i helped

8 0
3 years ago
How does a pond form?
ollegr [7]

Hello There!

-There are 2 possible ways that a pond could form-

The first way it could happen is because of erosion. Erosion is the movement of weathered materials. This includes gravel, soil, and sand. This is the reason why the Earth's surface is always changing.

The second way ponds could made is by a person. This is called man made because someone had to be able to build hem

8 0
3 years ago
Someone please answer
Margarita [4]

Answer:

out of the cell

bc water goes towards salt

4 0
3 years ago
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