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notka56 [123]
3 years ago
14

1. What is a food web?

Chemistry
2 answers:
abruzzese [7]3 years ago
8 0

Answer:

The answer is:

Explanation:

A food chain with two levels.

Hope this helps!!

❤️

:)

Anuta_ua [19.1K]3 years ago
5 0

Answer:

a producer and consumer relationship how several food chains and related.

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consider a 1000-ml graduated cylinder with marks every 100 ml. a student records the volume of liquid in the cylinder as 750 ml.
kap26 [50]

Answer:

Yes, given statement is true.

Explanation:

Given that a cylinder of 1000 ml is marked at every 100 ml.

During the test, the student can easily check the volume of liquid so the student's guess is 750 ml true.  

With this measurement, we can estimate that 1/10th of 100 ml can be measured.  

So, given statement is correct.

6 0
3 years ago
Do the molecules in a desk have energy?
Harrizon [31]
Everything requires energy to move. If the desk is moving, then it has energy. 
6 0
3 years ago
How much of strontium-90 will be left after 40 hours if you start with 960 grams and the half-life is 10 hours?
zmey [24]

Answer:

5 hours

Explanation:

7 0
2 years ago
What can be different between products and reactants in a balanced equation?
timama [110]

Answer:

b) The total moles of each element present in the reactants and in the products.

Explanation:

Hello there!

In this case, since the law of conservation of mass is used to realize that the mass, atoms and molecules of all the species involved in a chemical reaction must be the same at both reactants and products, we can see that a and c stand for those that must be equal; thus, we infer that the moles can be different as they stand for the amount of substance which is related to the mass via molar masses. Therefore, the answer would be b) The total moles of each element present in the reactants and in the products.

Regards!

8 0
3 years ago
Using the Acceleration Equation
Maru [420]

Answer:

Change in velocity (\Delta v) is acceleration (a) times time (t)

Acceleration a=1.2\ m/s^{2}

Time t=10\ s

So \Delta v=at=1.2\ m/s^{2}*10\ s=12\ m/s

The initial velocity is then 16\ m/s-12\ m/s=4\ m/s

Easy Answer: 4m/s

Explanation:

4 0
3 years ago
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