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fiasKO [112]
3 years ago
9

Which of the following describes what a scientist does?​

Chemistry
1 answer:
IRISSAK [1]3 years ago
4 0
Is there a photo that was supposed to be attached to this? If not, scientists gather research and take it into further knowledge.

Observations:

Scientists observe things and use their senses to help observe the world and what’s around us. They use their hearing, touch, and sense of taste to gather observations.

Measurements:

Scientists use measurements by using rulers, scales, thermometers, and many other tools.

Communication:

Scientists also use communication to communicate with others and to share with others about their discovery. They could share this discovery by sharing it in the local news or in a science book.

Different kinds of scientists:

Biologists - Scientists who learn and study about organisms.
Geologists - Scientists who learn and study rocks.
Zoologists - Scientists who learn and study about animals. Most likely animals in the zoo.

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Which of the following are physical properties?
faltersainse [42]

Answer:

1,2,3,5,7,8,9

Explanation:

are all physical properties

3 0
3 years ago
A student calculates the mass of a piece of copper to be 8.3 grams. The actual mass of the copper is 10. grams. What is the perc
jok3333 [9.3K]

<u>Answer:</u>

17%

<u>Explanation:</u>

Mass of a piece of copper calculated by student = 8.3 grams

Actual mass of copper = 10 grams

We know the formula for the percent error:

Percentage error = (| experimental value - actual value | / actual value) * 100

So substituting the given values in the above formula:

Percent error = (|8.3 - 10| / 10) * 100 = (1.7/10) * 100 = 17%

3 0
4 years ago
During which phase change does water release the most heat energy?
miss Akunina [59]
The phase change that releases the most energy is deposition, when gas turns into a solid. It takes the absorption of energy to melt a solid into a liquid, and even more energy to vaporize the liquid into a gas. Hence, the reverse process (from solid to gas) will result in the greatest release of energy.
4 0
3 years ago
HELP IT IS DUE TOMORROW!!fill out the last column of the table . Do they use ionic or covalent bonding​
morpeh [17]

C = covalent

I = Ionic

(I'm lazy to an extent)

An ionic bond is between a metal and a nonmetal, and a covalent bond is between 2 nonmetals.

H2 = C

Cl2 = C

O2 = C

HCl = C

LiF = I

NaCl = I

NaF = I

MgF = I

NH3 = C

CH4 = C

CO2 = C

NaP = I

N2 = C

NF3 = C

6 0
3 years ago
Read 2 more answers
Help me plx.
lisov135 [29]

Answer:

DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person's body has the same DNA.

EXPLANATION: SO THE CORRECT ANSWER IS

"NUCLEIC ACID"

7 0
3 years ago
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