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3 years ago

Why is granite better then marble for a statue in a city centre

2 answers:

8 0

<span>granite better than marble for a statue in a city, because marble reacts with acid, when Granite does not and it is one of the strongest minerals in the mohs scale therefore granite is a better solution for a city centre statue</span>

nasty-shy [4]3 years ago

5 0

Granite is stronger, and it doesn't grow mold in the rain. It also looks better than marble and is easier to carve.

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In parallel circuits, ______ follow down ______ paths.

masya89 [10]

Answer:

Electrons follow multiple paths in a parallel circuit.

Explanation:

3 0

3 years ago

One isotope of oxygen differs from another isotope of oxygen in *

Reptile [31]

Each isotope of Oxygen has a different number of neutrons

<h3>Further explanation </h3>

The elements in nature have several types of isotopes

Atomic mass is the average atomic mass of all its isotopes

Isotopes are atoms has the same number of protons but has a different number of neutrons.

So Isotopes are elements that have the same Atomic Number (Proton)

Some of the isotopes of oxygen are:

$\tt _8^{16}O,_8^{17}O,_8^{18}O$

Each isotope has 8 protons and 8 electrons but has a different number of neutrons

For O-16: number of neutrons = 16-8 = 8

For O-17: number of neutrons = 17-8 = 9

For O-18: number of neutrons = 18-8 = 10

4 0

3 years ago

A barometer measures the pressure of the atmosphere at different altitudes. Identify the location where the column of mercury is

Ghella [55]

The location where the mercury level of the barometer would be the lowest is at the very high altitudes of the Earth's atmosphere (about 100 km), since air pressure decreases as altitude increases.

6 0

3 years ago

Read 2 more answers

The lightest weight that is not a gas

frez [133]

Answer:

Lithium

Explanation:

I believe it is Lithium. It can easily be cut with a knife and is the 3rd lightest non gas on the periodic table that is not a gas.

7 0

3 years ago

Do chemical equations with no reaction still have to be balanced

dangina [55]

Answer:

The same number of atoms of each element must appear on both sides of a chemical equation. However, simply writing down the chemical formulas of reactants and products does not always result in equal numbers of atoms. You have to balance the equation to make the number of atoms equal on each side of an equation.

Explanation:

5 0

3 years ago