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alexandr1967 [171]

3 years ago

13

Plants and animals need to protect themselves to survive. Select the statement that best describes the adaptions of animals and

plants.

1 answer:

saul85 [17]3 years ago

3 0

I need points lol sorry for wasting ur time we

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write the symbols for the ions that form when potassium and iodine react to form the ionic compound potassium iodide.

Bingel [31]

I believe it isK+ + I-=KI

3 0

3 years ago

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Some friends are trying to make wine in their basement. They've added yeast to a sweet grape juice mixture and have allowed the

Mekhanik [1.2K]

Answer:

The yeast respired aerobically

Explanation:

The expectation here was that the yeast was going to put the sugar in the grape juice through fermentation, which is an anaerobic process that results in alcohol as one of the products. However since no alcohol was found in this particular example, it is fair to assume that maybe there was oxygen in teh muxture and therefore the yeast respired aerobically, producing water and carbon dioxide as products.

8 0

3 years ago

What is the mass in grams of 120 liters at STP oh He gas

skad [1K]

The mass of He gas = 21.428 g

<h3>Further explanation</h3>

Given

120 liters of He gas

Required

the mass in grams

Solution

Conditions at T 0 ° C and P 1 atm are stated by STP (Standard Temperature and Pressure). At STP, Vm is 22.4 liters/mol.

Mol for 120 L :

$\tt \dfrac{120}{22.4}=5.357~moles$

Mass of He gas(MW=4 g/mol) :

$\tt mass=mol\times Ar\\\\mass=5.357\times 4=21.428~g$

5 0

2 years ago

Which statement is true about the gravity?

REY [17]

Answer:

B.

Explanation:

Gravity acts on all masses equally, even though the effects on both masses.

Hope it helps you! ^^

8 0

3 years ago

Romashka-Z-Leto [24]

Answer:

the answer is produces protein which humans can eat?

4 0

3 years ago

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