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madreJ [45]
3 years ago
8

O O O A. Molecule B. Compound C. Both

Chemistry
1 answer:
ra1l [238]3 years ago
5 0
This doesn’t seem like the full question
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I’ll give the Brainliest
Bond [772]

Answer:

D. is the Answer. ✅

Explanation:

The Moon is 1/4 the size of Earth.

A is not right because Moon isn't a dwarf planet.❌

B is not right because the Moon isn't 1/2 the size of Earth.❌

C is not right because the Moon is no where near as large as Earth.❌

5 0
3 years ago
Read 2 more answers
A gaseous substance turns directly into a solid. Which term describes this change?
UkoKoshka [18]

Answer:

deposition

Explanation:

Sublmation- solid transforming into a gas, skipping the liquid stage.

eveporation- a liquid transformimg into a gas

melting- a solid transforming into a liquid

deposition- the opposite of sublimation (your anwser)

7 0
3 years ago
Read 2 more answers
Why can metals be extracted using carbon
8090 [49]
If a metal is less reactive than carbon, it can be extracted from its oxide by heating with carbon. The carbon displaces the metal from the compound, and removes the oxygen from the oxide. This leaves the metal.
5 0
2 years ago
Which of the following reactions is an example of a single replacement reaction?
chubhunter [2.5K]
The answer is C. Since aluminum reacts with chloride displacing only Copper.
5 0
3 years ago
Green plants absorb sunlight to power photosynthesis, the chemical synthesis of food from water and carbon dioxide. The compound
Alecsey [184]

Answer:

4.5 × 10^14 Hz

Explanation:

According to this question, chlorophyll pigment strongly absorbs light with a wavelength of 662nm. To calculate the frequency of this light, the following formula is used:

λ = v/f

Where;

λ = wavelength (m)

v = speed of light (3×10^8m/s)

f = frequency of light (Hz)

Since the λ = 662nm = 662 × 10^-9m,

f = v/λ

f = 3 × 10^8/662 × 10^-9

f = 0.004531 × 10^(8+9)

f = 0.0045 × 10^17

f = 4.5 × 10^14 Hz

6 0
3 years ago
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