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Arturiano [62]
3 years ago
9

What are five key accomplishments of Marie Curie?

Chemistry
1 answer:
shusha [124]3 years ago
5 0

Her discovery of radium and polonium.

She was the first woman to win a nobel prize and a second one as well!

Marie Curie was the first women to be appointed as the director of the physics lab at Sorbonne.

She was also the first woman to become a professor at the University of Paris.

She helped make radiology units which were again portable and those assisted the field surgeons during the war.

Hope this helps :))


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Fluorite is..
denpristay [2]

Fluorite is harder than gypsum but softer than apatite. Thus, the correct option is B.

<h3>What is the hardness of any element?</h3>

The hardness of any element may be defined as the capability of a material to oppose the process of deformation and remains in actual shape precisely.  

According to the table of hardness scales by Mohs, the increasing order of given hardness of given elements is as follows:

Gypsum < Fluorite < Apatite.

Therefore, Fluorite is harder than gypsum but softer than apatite. Thus, the correct option is B.

To learn more about the Hardness of elements, refer to the link:

brainly.com/question/23721736

#SPJ1

5 0
2 years ago
A 298 lb person must receive Heparin, determine the number of units given every hour (Heparin 8.0 units/kg per hour). Enter your
yarga [219]

Answer:

1,081.1 units of heparin should be given to 298 lb person.

Explanation:

We are given:

Weight of the person = 298 lb = 135.143 kg

Conversion factor used:

1 lb = 0.4535 kg

Number of unit of heparin to be given in an hour = 8.0 units/kg

Number of units given to the patient weighing 135.143 kg :

8.0 units/kg\times 135.143 kg=1,081.144 units\approx 1,081.1 units

1,081.1 units of heparin should be given to 298 lb person.

4 0
3 years ago
Hannah wants to make some toast for breakfast, but she has 3 minutes before she has to leave for school.
marusya05 [52]

Answer: increase the temperature of the toaster oven.

Explanation:

3 0
3 years ago
Think about a wooden chair and a balloon. what do these two objects always have in common?
MakcuM [25]
They are both made out of atoms!
7 0
3 years ago
Water is unique because the density of it's solid is less than the density of it's liquid. Describe how life would be different
Andreas93 [3]

Ice caps would float therefore providing insulation for aquatic life and ensuring they do not freeze due to the cool temperature.

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