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3 years ago

Which is made by weathering? A. sediments B. minerals C. ash D. magma

1 answer:

4 0

The answer is A cause the water breaks down the rocks into small pieces which are called sediments. These things later on turn into rocks with pressure and heat

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HELP IM TIMED!!!!!!!!!

victus00 [196]

Answer:

A. 1.3 bison/mi^2

Explanation:

4500 bison divided by 3472 sq miles is 1.3 bison per mile squared.

7 0

3 years ago

The perfect glass of sweet tea is 15% sugar. Elena is making a one gallon container of sweet tea. How many cups of sugar are in

Arte-miy333 [17]

There are 2.4 cups of sugar in the gallon of sweet tea.

<h3>What is the conversion of fluid measurement?</h3>

The conversion of fluid measure takes a standard analysis where the assumed container of a particular fluid is related to another container.

For example, we have two containers here:

The glass cup
The gallon

We need to know how many glass cups that are present in a gallon. From standard conversion rates:

1 gallon = 16 cups

However,

We learned that 1 cup contains 15% of sugar; Therefore, 16 cups will contain:

= 16 × 0.15

= 2.4 cups of sugar

Learn more about measurement conversion here:

brainly.com/question/777464

7 0

2 years ago

A _____ bond is a type of chemical bond where a pair of electrons is unequally shared between two atoms. As a result, one end of

insens350 [35]

Polar Covalent Bond

This bond exists when atoms that have different electronegativities share electrons in a covalent bond, the electrons are not transferred from one atom to the other as in the case of ionic bond.

8 0

4 years ago

Dolomite is a carbonate of magnesium and calcium. Analysis shows that 7.81 g of dolomite contains 1.70 grams of Ca. Fluorite is

andrew11 [14]

Answer:

The richer source of calcium is fluorite.

Explanation:

Percentage of element in compound :

$=\frac{\text{mass of element}}{\text{Mass of compound}}\times 100$

1. Dolomite is a carbonate of magnesium and calcium:

Given mass of dolomite = 7.81 g

Mass of calcium present in given mass of dolomite = 1.70 g

Percentage of calcium in Dolomite:

$=\frac{1.70 g}{7.81 g}\times 100=21.77\%$

2. Fluorite is a mineral of calcium and fluorine:

Given mass of fluorite = 2.76 g

Mass of fluorine present in given mass of fluorite = 1.34 g

Percentage of fluorine in fluorite :

$=\frac{1.34 g}{2.76 g}\times 100=48.55\%$

Percentage of calcium in fluorite = 100% - 48.55 % = 51.45%

Percentage of calcium in fluorite > Percentage of calcium in Dolomite

51.455 > 21.77%

So, the richer source of calcium is fluorite.

7 0

3 years ago

I need a help please!

ZanzabumX [31]

Answer:

B. KBr + F2

Explanation:

In displacement reactions (reactions in which an element replaces another element in a compound) like these, reactive element displaces the less reactive element.

A. NaBr + I2

This reaction will not occur because Iodine is not able to displace bromine from the compound.

B. KBr + F2

This reaction will occur because flourine is more reactive and hence is able to displace bromine from the reaction.

C. LiF + Cl2

This reaction will not occur because chlorine is not able to displace flourine from the compound.

D. NaCl + I2

This reaction will not occur because Iodine is not able to displace Chlorine from the compound.

5 0

3 years ago