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katrin2010 [14]
3 years ago
12

What does the law of conservation say about matter?

Chemistry
1 answer:
vfiekz [6]3 years ago
6 0
The Law of Conservation says that matter cannot be created or destroyed, all matter is re-used. Going into mass here, which does relate, the product's mass will always equal the mass of the reactants. 
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A train travels at a speed of 30 miles per hour. If 1 mile = 1.6 kilometers, how fast is the train traveling in kilometers per m
Alina [70]
The answer 
 the speed of <span>the train traveling in kilometers per minute can be found by using the following method:
v = </span><span>30 miles per hour
</span><span>1 mile = 1.6 kilometers

just do the calculus by changing miles to kilometers
 </span>1 mile = 1.6 kilometers, so 30 miles= 1.6 km x 30 = 48 km
 so the speed of the train is
v=30 miles / hour = 48km / h = 48km / 60 mn  = 0.8 km/ mn
the answer is
<span>C- 0.8 km/min</span> 
7 0
2 years ago
The ____ connects the left and right sides of the cerebrum
Fofino [41]

Answer:

The left and right hemispheres of the cerebrum are connected by the Corpus Collosum.

Explanation:

The corpus collosum is a thick band of neurons that divides the cerebral cortex lobes into the left and right hemisphere. The corpus callosum allows for both hemispheres to communicate and transfer information! The primary function of the corpus callosum is to integrate sensory, motor, and cognitive performance between the cerebral cortex.  

Ins severe cases of epileptic seizures, a corpus callosotomy is performed, which cuts the corpus callosum in half. This prevents the seizures from becoming more severe, and the brain can reprogram, through neuroplasticity.

3 0
2 years ago
To study earths interior, geologist often rely on indirect methods, such as evidence from fossils.
igomit [66]

Answer: false

Explanation:

It is false that to study Earth's interior, geologists often rely on indirect methods, such as evidence from fossils. They rely on seismic wave.

6 0
3 years ago
Read 2 more answers
Please help me with this question it’s really confusing lol. Question 21. Thank youuuu!! :))
bagirrra123 [75]

Answer:

You must write an article if you think there is a link between it asteroid impact and a dinosaur's extinction. explain the correlation between the two events I'm provide evidence within the article that you write that supports your claims.

8 0
2 years ago
How do a strong electrolyte, weak electrolyte, and non-electrolyte differ in the number of ions each produces when dissolved in
Dmitrij [34]
Strong electrolytes  are completely ionised in solution.
Weak ones are only partially ionised.
Non electrolytes do not  form ions
3 0
3 years ago
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