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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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The process of cellular respiration can be represented by the chemical formula
Mandarinka [93]

Answer:

A

Explanation:

The correct formula for cellular respiration is: 

Glucose (sugar) + Oxygen → Carbon dioxide + Water + Energy (as ATP).

7 0
2 years ago
Which of the following biomolecules are considered energy sources?
Korvikt [17]

Answer:

carbohydrates, lipids, proteins, and nucleic acids

Explanation:

There are thousands of different types of molecules in a cell, but there are only four major classes of biomolecules.

3 0
3 years ago
How do the water molecules behave differently in each situation. for science
Elis [28]
The behaviour of molecules in different phases of matter represents a balance between the kinetic energies of the molecules and the attractive forces between them.
All molecules are attracted to each other. At the same time, all molecules are in constant motion, and their kinetic energies increase with the temperature.
At very low temperatures, the kinetic energy of the molecules is low. The molecules cannot move fast enough to get away from the attractions of their neighbours. They are “glued” in place in a crystalline arrangement. The molecules are in the solid state.
At higher temperatures, the kinetic energy of the molecules is higher. The molecules will have enough energy to slide past their neighbours, but not enough energy to escape their attractions. The system is in the liquid state.
At very high temperatures, the kinetic energy of the molecules is so high that the molecules will be able to escape the attractions of their neighbours and move at will within the container. The system is in the gas state
8 0
3 years ago
Three genes control the production of tail structures in dogs. The wag1 gene promotes the production of tail structures. However
PIT_PIT [208]

Answer:

1. <u>ntrdr</u> --><u> brken</u> --|  <u>wag1</u>  --> <u>Tail structures </u>

2. Yes

Explanation:

(1) In this experiment three different genes are present;

     1) Wag-1 - promotes production of tail structures

      2) brkn gene - inhibits Wag-1 which leads to inhibition or inactive Wag1 gene and there is no tail formation.

      3) ntrdr gene - stimulates the activity of brkn gene thus this in turn inhibits Wag-1 gene and results in inhibiting the tail formation.

(2) The ntrdr gene stimulates the brkn gene and active brkn gene inhibits the wag-1 gene. As we know Wag1 gene is essential for tail formation. on removing out ntrdr gene result in inactive gene brkn thus allows the expression of the Wag-1 gene allowing tail growth in dogs.

3 0
3 years ago
Variation is to central tendancy as what is to what
Elena-2011 [213]

Answer:

as president is to biden or Trump

8 0
2 years ago
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