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rewona [7]
3 years ago
8

The half reaction of an oxidation-reduction shows that iron gains electrons. What does this electron gain mean or iron?

Chemistry
1 answer:
ale4655 [162]3 years ago
4 0

Answer:

C. its reduced

Explanation:

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A 800N mountain climber scales a 160m cliff. How much work is done by the mountain climber?
Fittoniya [83]

Answer:

Work done, W = 128 kJ

Explanation:

Given that,

Weight of a mountain climber, F = 800 N

It climbs to a cliff that is 160 m high.

We need to find the work done by the mountain climber. The work done by an object is given by the formula as follows :

W = Fd

Put the values of F and d.

W = 800 N × 160 m

W = 128000 J

or

W = 128 kJ

So, 128 kJ of work is done by the mountain climber.

3 0
2 years ago
Which statements describe functions of the backbone? Check all that apply.
Ronch [10]

Answer:

A and E

Explanation:

Backbone is the part of skeletal system and is made of 26  vertebrae in total. The backbone and bones of lower limbs together serve to support the body's weight. Backbone surrounds and protects the spinal cord. Since the vertebrae of backbone are joints together by synovial joints, it allows the flexibility and movement of organisms.

4 0
3 years ago
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The Sun always shines on half of the Moon. During a new moon, the Moon looks dark.
Sveta_85 [38]
You’re answer is C Explaination if the pit side was facing earth it wouldn’t be a new moon
8 0
3 years ago
Cience, Life Science
Rudiy27

Answer:

I think the answer is All of these answers are correct.

4 0
3 years ago
How will the candle contributes to the pressure and temperature of gases inside the glass?
Tems11 [23]
How will the candle contributes to the pressure and temperature of gases inside the glass?

The candle contributes to the pressure and temperature of the gases inside the glass because of the increasing temperature the lit of the candle disposes into the gas molecules inside and as these gas molecules rise in temperature they become unsettling and since heat makes gas molecules robust the area becomes smaller for them to be ecstatic and as the dynamics is explained p=f/a the pressure increases.

7 0
3 years ago
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