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Dafna1 [17]
3 years ago
13

Please help me with these! Mark brainliest

Chemistry
1 answer:
bearhunter [10]3 years ago
6 0

Answer:

1. Alkalinity

2. True

3. Red

Explanation:

1. 8-14, which are the bases, are alkaline

2. Salt lowers the melting/freezing point of water

3. Blue --> Red is Acid

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Answer:

MgF2 magnesium fluoride

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It didn't have science but it is a science question. The average, year-after-year conditions of temperature, precipitation, wind
larisa86 [58]
Hey there,

Question : <span>The average, year-after-year conditions of temperature, precipitation, winds, and cloud in an area are known as its?

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3 years ago
The diagrams to the right show the distribution and arrangement of gas particles in two different containers. According to kinet
g100num [7]

The answer is the First One and the Third One

8 0
3 years ago
Read 2 more answers
A scientist is researching the solar system. How can the scientist best add to existing empirical evidence about the solar syste
Bogdan [553]

Answer:

The correct option is;

c. The scientist can make and record observations

Explanation:

Empirical evidence are evidences obtained by direct observation, sensual perception or direct measurement. It is the processed and useful data gathered and stored in a material form or documented to provide record of the measurement.

With the aid of empirical evidence, it is possible for researchers to find answers to question regarding topics that can vastly impact every day life.

With empirical evidence, it is possible to determine the effects of treatment in a study such as the invention of working car safety devices such as seat belts and airbags.

7 0
3 years ago
Atoms that have a positive or negative electrical charge are called ________.​
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Explanation:

They are called or known as cations

4 0
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