3 years ago

What is the major divide or ridgeline that separate Virginia's watersheds?

1 answer:

6 0

In Virginia, the continental divide separates the New River from the Roanoake and James River. East of the continental divide, the rivers flow east or south toward the Atlantic Ocean. West of the continental divide, the rivers flow north or west toward the Gulf of Mexico by way of the Ohio and the Mississippi Rivers.

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1. How much taller is the average person today than the average person 100 years ago?

andreev551 [17]

5 inches I am not sure but I THINK it’s 5 inches sry if I’m wrong

4 0

3 years ago

How many grams of hydrogen reacts with 32 g of oxygen to produce 34 g of hydrogen peroxide

nordsb [41]

Answer:

2 grams.

Explanation:

H2 + O2 ---> H2O2

Using molar masses:

2*1 g hydrogen reacts with 2*16 g oxygen.

so 2g H2 reacts with 32 g O2.

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3 years ago

the atomic mass of an element is A. the amount of electrons the element has B. the number of neutrons an element has C. the numb

vredina [299]

C. the number of protons and neutrons an element has in its nucleus

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3 years ago

A full bottle of water was left outside overnight in freezing temperatures, causing the bottle to crack. No mass was added or re

kodGreya [7K]

Answer:The correct answer is option C.

Explanation;

Water has unique property that is, it expands on freezing.Which is the reason for less density of ice than water. The cracking of the bottle was due to the expansion of water (present inside the bottle) on freezing.

Generally, density is inversely proportional to the volume of the substance.

$Density=\frac{Mass}{Volume}$

$Density\propto \frac{1}{Volume}$

As we know ,that water expands on freezing which means that volume increases. And with increase in volume of density decreases.

Hence, the correct answer is option C.

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3 years ago

If a neutral compound is composed of carbon and hydrogen and you know that it has exactly 2 carbons connected by a double bond,

Ivahew [28]

Answer:

B. 8

Explanation:

because I learned that in 6th

3 0

3 years ago