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2 years ago

When a cold front is approaching, what happens?

Chemistry

2 answers:

Alina [70]2 years ago

7 0

Answer:

Cold fronts generally move from northwest to southeast. The air behind a cold front is noticeably colder and drier than the air ahead of it. When a cold front passes through, temperatures can drop more than 15 degrees within the first hour.

Explanation:

Marta_Voda [28]2 years ago

3 0

Answer:There is colder and drier air coming

Explanation:

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What is the area of triangle ABC with vertices A(x¹,y¹), B(x²,y²)and C (x³,y³)??????????

AlexFokin [52]

Answer:

$Area = \frac{1}{2}|x_1(y_2 - y_3)+x_2(y_3 - y_1)+x_3(y_1 - y_2)|$

$Area = 2\ units^2$

Explanation:

Given

$A = (x_1,y_1)$

$B = (x_2,y_2)$

$C = (x_3,y_3)$

Required

Determine the area

The area of a triangle is :

$Area = \frac{1}{2}|A_x(B_y - C_y) + B_x(C_y - A_y) + C_x(A_y - B_y)|$

By substituting values for the x and y coordinates of A, B and C;

We have:

$Area = \frac{1}{2}|x_1(y_2 - y_3)+x_2(y_3 - y_1)+x_3(y_1 - y_2)|$

So:

For instance

$A = (0,3)$

$B= (2,1)$

$C = (2,3)$

The area is:

$Area = \frac{1}{2}|0(1-3) + 2(3-3) + 2(3-1)|$

$Area = \frac{1}{2}| 2*0 + 2*2|$

$Area = \frac{1}{2}| 0 + 4|$

$Area = \frac{1}{2}|4|$

$Area = \frac{1}{2} * 4$

$Area = 2\ units^2$

7 0

2 years ago

Which of the

saul85 [17]

Answer:

During chemical reactions, matter is neither

created nor destroyed; it just changes form.

Explanation:

6 0

3 years ago

Read 2 more answers

_______is the division of the cytoplasm at the end of mitosis.

tankabanditka [31]

Answer: D. CYTOKINESIS

Explanation:

Mitosis ends with telophase, or the stage at which the chromosomes reach the poles. ... Telophase is followed by CYTOKINESIS, or the division of the cytoplasm into two daughter cells.

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2 years ago

Is lithium a metal metalloid or non metal

KiRa [710]

Answer:

Metal

Explanation:

Lithium (Li), chemical element of Group 1 (Ia) in the periodic table, the alkali metal group, lightest of the solid elements. The metal itself—which is soft, white, and lustrous—and several of its alloys and compounds are produced on an industrial scale.

Atomic number: 3

Atomic weight: 6.941

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3 years ago

Why does a metal spoon left on a bowl of hot soup become warm?

irakobra [83]

Answer:

A) Metal is a conductor.

7 0

2 years ago