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sergey [27]
2 years ago
15

Activity 2 Directions: Select among the choices thbest type of material to be used in making the objects at the left and explain

our answers. Write your answers in a separate sheet of paper. Translucent Transparent Opaque
QUICK ANSWER PLEASE







​

Chemistry
1 answer:
joja [24]2 years ago
3 0

Answer:

A Walk in the City

Make a list of the number of cars, jeeps, tricycle, and even trucks you've seen on your way to school. On a Decision Making Chart, answer the question, "Does the volume of traffic affect the air quality in my local community?" Write your reasons for saying YES on the Reasons for column, and the reasons for saying NO on the Reasons Against column. At the bottom of a chart, make a position by writing your decision on the same question.

Decision Making Chart

[question]

[reason for]

[reason against]

[my decision]

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Pls help ill mark as brainliest
asambeis [7]

Answer:

Decomposition

Explanation:

First, you have one compound, then they break up, or decompose, into two compounds.

3 0
3 years ago
PLEASE HELP PLEASE HELP PLEASE HELP PLEASE HELP!!<br> DUE IN 10 MINS <br><br> Number 9 and 10!
svp [43]

Answer:

the answer is your a awesome person

4 0
3 years ago
K20<br> What is the chemical name
kicyunya [14]

Answer:

oxide of potassium or potassium oxide i believe.

8 0
4 years ago
10. Make your own unique problem for your classmates to solve for the
babymother [125]

Answer:

Explanation:

<u>Problem</u>:

In a gender based experiment, the blood pressure of different ages of men is been checked and recorded to determine if there is any correlation. What will be the independent, dependent and controlled variables?

<u>Answer</u>:

A controlled variable is the variable that is left constant throughout the course of an experiment. The controlled variable here is the gender.

A dependent variable is the variable that is been determined or measured during the course of an experiment. The dependent variable here is the blood pressure.

An independent variable is the variable that is intentionally or decidedly altered during the course of an experiment. The independent variable here is the age.

3 0
3 years ago
An airplane travels 2100 km at 1000km/hE. It encounters a wind and slows to 800 km/h E for the next 1300 km. What is the average
Deffense [45]

Answer:

The average velocity of the airplane for this trip is 1684.21 km/h

Explanation:

Average velocity is the rate of change of displacement with time. That is,

Average velocity = \frac{Displacement }{Change in time} = Δx / Δt = \frac{x2 - x1}{t2 - t1}

Now we will calculate the time taken by the airplane for the first motion before it encounters a wind.

From,

Velocity = \frac{Distance traveled}{Time taken}

Time = \frac{Distance traveled}{Velocity}

Therefore, Time = \frac{2100km }{1000km/h}

Time = 2.1h

This is the time taken before the airplane encounters a wind.

Hence, t1 = 2.1h

Now, For the time taken by the airplane when it encounters a wind

Also from,

Velocity = \frac{Distance traveled}{Time taken}

Time = \frac{Distance traveled}{Velocity}

Therefore, Time = \frac{1300km }{800km/h}

Time = 1.625h

Hence, t2 = 1.625h

Now, to calculate the average velocity

Average velocity = \frac{x2 - x1}{t2 - t1}

x1= 2100, x2= 1300, t1= 2.1h and t2= 1.625h

Hence, Average velocity = \frac{1300 - 2100}{1.625 - 2.1}

Average velocity = 1684.21 km/h

7 0
3 years ago
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