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Mrac [35]
2 years ago
15

Jack created a table that compares the characteristics of the sun and the moon. Which of the following corrects the mistakes in

Jack's table?
Sun:

Burning ball of rock, gas, and dust

Objects revolve around it

Has a round shape

Moon:

Has a round shape

Formed from chunks of rocks

Revolves around the sun

(A)The sun revolves around other stars, and the moon revolves around the sun.

(B) The sun has a round shape, and the moon is formed from chunks of metal.

(C) The sun revolves around a planet, and the moon revolves around the sun.

(D)The sun is a burning ball of gas, and the moon revolves around a planet.
Chemistry
2 answers:
weeeeeb [17]2 years ago
5 0

Answer:

D) The sun is a burning ball of gas, and the moon revolves around a planet.

Explanation:

Unlike what Jack has written in his table, the sun is comprised of 92% gas and has no definable rocky layer or even dust. The moon revolves specifically around the Earth.

svetlana [45]2 years ago
5 0

Answer:

D) The sun is a burning ball of gas, and the moon revolves around a planet.

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mafiozo [28]

Answer:

Two reagents that can be used to distinguish between ethane and ethyne are Tollens' reagent and ammoniacal CuCl solution.

5 0
3 years ago
Which statement concerning ecosystems is correct?
professor190 [17]

Answer:

I think A...

Explanation:

3 0
4 years ago
: Calculate molar mass of the following compounds:
lozanna [386]

Answer:

1. 58.5g/mol

2. 261g/mol

3. 158g/mol

4. 71g/mol

5. 44g/mol

Explanation:

The molar mass of a compound is the total mass of the sum of masses of all individual elements that make up the compound. First, we need to know the atomic masses of each element in a compound.

1. NaCl

Where; Na = 23, and Cl = 35.5

Molar mass of NaCl = 23 + 35.5

= 58.5g/mol

2. Ba(NO3)2:

Where; Ba = 137, N = 14, O = 16

Molar mass of Ba(NO3)2: 137 + {14 + 16(3)} 2

137 + (14 + 48)2

137 + (62)2

137 + 124

= 261g/mol

3. K(MnO4)

Where; K = 39, Mn = 55, O = 16

Molar mass of KMnO4 = 39 + 55 + 16(4)

= 94 + 64

= 158g/mol

4. Cl2

Where; Cl = 35.5

Molar mass of Cl2 = 35.5(2)

= 71g/mol

5. CO2

Where; C = 12, O = 16

Molar Mass of CO2 = 12 + 16(2)

= 12 + 32

= 44g/mol

3 0
3 years ago
The drawing shows two long rod shaped Structures with horizontal light dark bands
7nadin3 [17]

Answer:

From my side I think it is Photoreceptors cells :

A photoreceptor cell is a specialized type of neuroepithelial cell found in the retina that is capable of visual phototransduction. The great biological importance of photoreceptors is that they convert light (visible electromagnetic radiation) into signals that can stimulate biological processes. To be more specific, photoreceptor proteins in the cell absorb photons, triggering a change in the cell's membrane potential.

There are currently three known types of photoreceptor cells in mammalian eyes: rods, cones, and photosensitive retinal ganglion cells. The two classic photoreceptor cells are rods and cones, each contributing information used by the visual system to form a representation of the visual world, sight. The rods are narrower than the cones and distributed differently across the retina, but the chemical process in each that supports phototransduction is similar. A third class of mammalian photoreceptor cell was discovered during the 1990s: the photosensitive ganglion cells. These cells do not contribute to sight directly, but are thought to support circadian rhythms and pupillary reflex.

Explanation:

4 0
3 years ago
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Vlad [161]
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7 0
3 years ago
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