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solniwko [45]
3 years ago
8

When planning your oral presentation, what can you do to prepare for the presentation? A) practice reading your presentation fro

m an index card. B) practice your presentation with your eyes closed. C) practice your presentation in front of friends or family. D) practice speaking clearly and directly to an audience of friends
Chemistry
2 answers:
nikklg [1K]3 years ago
6 0
I believe d is the best answer

ira [324]3 years ago
3 0

Answer:

The correct answer is D

Explanation:

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What is 1520 9600 mg to kilograms
Ostrovityanka [42]

I Think that the answer is 15.2096 Kilograms, but I might be wrong.

5 0
3 years ago
Which term is defined as the sum of protons and neutrons in an atom?.
nata0808 [166]

Answer:

mass number

Explanation:

yeah mass number is the total of protons and neutrons

for example carbon has 12 proton and 12 neutrons therefore it's mass number is 24

i hope this is what you're looking for

5 0
3 years ago
In a varve, summer is represented by _____.
Tasya [4]

Answer:

sediment from melting glaciers being deposited in lakes

Explanation:

I took the test

5 0
3 years ago
Arden is making a pros and cons list about genetic engineering for a debate at school. Which part of her list is incorrect?
Soloha48 [4]

Answer:

The part of Arden's list that seems to be wrong is that genetic engineering can create organisms that survive in different environments (Pro 2).

Explanation:

Genetic engineering is a branch of genetics that introduces the use of technology to modify a living organism by introducing modified DNA into its original genome in order to improve its characteristics

The organisms subjected to changes by genetic engineering are called genetically modified organisms or GMOs, and can be stronger, longer-lived, more productive, or resistant to disease.

<em>Making a species resistant to any environment could cause it to develop in places where it could not live before, affecting the natural balance of an ecosystem to which it previously did not belong, so Pro 2 on Arden's list does not seem to be entirely beneficia</em>l.

4 0
3 years ago
Read 2 more answers
The most important commercial ore of chromium is chromite (FeCr2O4). One of the steps in the process used to extract chromium fr
Mars2501 [29]

Answer:

1 mole FeCr2/ 1 mole FeCr2O4

Explanation:

We have to write down the equation of the reaction before we can answer the question;

2C(s) + FeCr2O4(s) -------> FeCr2(s) + 2CO2(g)

By inspection of this reaction equation, we can clearly see that the mole ratio of the reactants and products is 2:1:1:2.

Specifically, the ratio of chromites to ferrochrome is 1:1

Hence;

The mole ration required to convert chromites to ferrochrome is;

1 mole FeCr2/ 1 mole FeCr2O4

4 0
3 years ago
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