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antiseptic1488 [7]
3 years ago
9

please help me understand genetic engineering and if it is good or bad! please make it detailed i need help on my essay

Chemistry
1 answer:
Papessa [141]3 years ago
7 0
Thanks for using Brainly. You’re always welcome to ask questions here.

Genetic engineering would be DNA from another organism and combining it with another DNA. It’s also used by scientists to study these types of things.
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ithium metal reacts with water to give lithium hydroxide and hydrogen gas. if 75.5 mL of hydrogen gas is produce at STP, what is
Galina-37 [17]
The reaction equation may be written as:
2Li + 2H₂O → 2LiOH + H₂

A single mole of gas occupies 22,400 ml of gas at STP. Therefore, the moles of hydrogen gas are
75.5 / 22,400 = 0.0034 mol
According to the equation, the moles of lithium are twice that of hydrogen gas; thus,
0.0034 x 2 = 0.0068 mol

The mass of lithium is given by:
mass = moles x atomic mass
mass = 0.0068 x 6.9
mass = 0.047 grams
6 0
3 years ago
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Distinguish between dunes and loess
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Answer:

Dunes are loose sand hills.

Loess is a compacted wind-blown formation of sediment.

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Loess comes in vast formations and was created in a very different way. In the last ice age, winds from the north carried sediments loosened and ground by glaciers southwards. There, the sediments accumulated in large formations and became compacted over time.

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When a bullet is fired from a gun what is true about the momentum
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Before the bullet is fired the momentum is Zero because nothing is moving but once the bullet is shot the momentum increases because of the movement of the bullet moving forward.

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