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Art [367]
3 years ago
6

Metamorphic rock formation from sedimentary rocks is caused by heat and pressure. After millions of years in transformation, the

heat and pressure of the Earth's crust changes the physical and chemical properties of rock creating new textures to the rock. The new texture that develops is through the process of recrystallization. As the ________________________, minerals such as chlorite and mica recrystallize into _________________________. A) temperature decreases, smaller crystals B) temperature decreases, fine layers C) temperature increases, smaller crystals D) temperature increases, larger crystals
Chemistry
2 answers:
masha68 [24]3 years ago
8 0

Answer:

Heat and pressure.

Explanation:

Answer on Edge.

Alona [7]3 years ago
5 0

Answer:

i think it is c

Explanation:

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9. A box is pushed 1.5 m to the right in 5 s. What is the box’s average speed to the nearest hundredth of a m/s? *
poizon [28]

Answer:

s = 0.30 m/s

Explanation:

Given data:

Distance travel = 1.5 m

Time taken = 5 s

Average speed of box = ?

Solution:

s = d/t

s = speed

d = distance

t = time

by putting values,

s = 1.5 m/ 5 s

s = 0.30 m/s

7 0
2 years ago
A weather system moving through the American Midwest produced rain with an average pH of 5.02. By the time the system reached Ne
bulgar [2K]

Answer:

The rain falling in New England is 2.29 times more acidic than the one in the American Midwest.

Explanation:

The acidity of a solution depends on the concentration of H⁺ ions ([H⁺]). We can calculate this concentration from the pH using the following expression.

pH = -log ([H⁺])

American Midwest

pH = -log ([H⁺])

5.02 = -log ([H⁺])

[H⁺] = antilog (-5.02) = 9.55 × 10⁻⁶ M

New England

pH = -log ([H⁺])

4.66 = -log ([H⁺])

[H⁺] = antilog (-4.66) = 2.19 × 10⁻⁵ M

The ratio of concentrations is:

\frac{2.19 \times 10^{-5} M  }{9.55 \times 10^{-6} M} =2.29

The rain falling in New England is 2.29 times more acidic than the one in the American Midwest.

4 0
3 years ago
An increase in which property would cause an electromagnetic wave's energy
patriot [66]
C. Answer correct I think…
7 0
2 years ago
How much sodium bicarbonate to raise alkalinity in pool.
almond37 [142]

Answer:

A rule of thumb is that 1.5 lbs. of baking soda per 10,000 gallons of water will raise alkalinity by about 10 ppm. If your pool's pH is tested below 7.2, add 3-4 pounds of baking soda. If you're new to adding pool chemicals, start by adding only one-half or three-fourths of the recommended amount.

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1 year ago
Our solar system is thought to have started with the birth of our Sun, which formed from a cloud of interstellar dust and gas. T
Katena32 [7]
Condensation Theory. thought I've heard it be called the condensation-nebula theory.
4 0
3 years ago
Read 2 more answers
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