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aliya0001 [1]
3 years ago
7

1.The diagram below shows the stages of a land feature being formed over

Chemistry
1 answer:
ExtremeBDS [4]3 years ago
5 0

Answer:

I think....I'm not sure......the plats of earth shifting?

Explanation:

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What occurs when a solid substance dissolves into a liquid? 1 It stays solid and sinks to the bottom of the liquid substance. 2
katrin [286]

Explanation:

When a solid substance is dissolved in a liquid such as water, the intermolecular forces of attraction between the molecules in the solid substance are overcome and they exist as ions in the solution. Hence the answer is 2.

6 0
3 years ago
Name the SI base units that are important in chemistry, and give the SI units for expressing the following: (a)length, (b) volum
kirza4 [7]

Answer and Explanation:

The basic unit which are that are important in chemistry are meter, kilogram ,mol,m^3

Candela which is the unit of luminous of intensity is not so important in physics

(a) SI unit of length is meter (m)

(b) Si unit of volume is m^3

(c) Si unit of mass is kilogram (kg)

(d) SI unit of time is second (s)

(e) SI unit of temperature is kelvin (K)

4 0
3 years ago
Which component is required for the activation of some enzymes?
shepuryov [24]
The best answer is letter A. 
The main factors that change the speed of enzymatic reactions are temperature, pH and substrate concentration (quantity). <span>There are enzymes that need other associated molecules to work. These molecules are called enzyme co-factors. They can be organic ions like mineral salts.</span>
5 0
3 years ago
Read 2 more answers
What is the temperature of water at low latitudes please help me
bixtya [17]
The average temperature of the ocean surface waters is about 17 degrees Celsius (62.6 degrees Fahrenheit).

Hoped that helped
6 0
3 years ago
Copper has average atomic mass of 63.546 amu. It's two isotopes are Cu-63 (which is 69.17% abundant and has a mass of 62.9296 am
garri49 [273]

Answer: 69.152% → 63^Cu

30.848% → 65^Cu

Explanation:

As you know, the average atomic mass of an element is determined by taking the weighted average of the atomic masses of its naturally occurring isotopes.

Simply put, an element's naturally occurring isotopes will contribute to the average atomic mass of the element proportionally to their abundance.

Explanation:

6 0
2 years ago
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