Chemistry Middle School

Think of at least 10 things you can do to help preserve our freshwater or to clean up our polluted water

Answers

Answer 1

Answer:

#1 Clean up trash so, they don't get into sewers.
#2 Don't use up water.

#3 Do small loads of laundry

#4 Keep shower time minimal

#5 Pay your taxes to the government can fix pipe lines or fix lead-made pipes

( Five ideas, that's all i can think of)

Explanation:

Answer 2
Here’s another 5 things to add on to the other persons answer.

1: Dont flush any out of date medicines down the toilet or drain

2: Dont put anything except water down drains

3:Pick up after pets

4: Avoid using chemical fertilizers

5:Choose non-toxic household products whenever possible

Related Questions

To calculate acceleration you must
Select one:

multiply the force and mass

add the force and mass

divide the mass by the force

divide the force by the mass

Answers

Add the force and mass is your answer
Divide the force my mass

Please help!!
What do scientists do when they want to name a new organism?
all of the above
They see how the organism is similar to other organisms.
They see if the organism has the characteristics of an animal or plant.
They look at what makes the organism unique.

Answers

Answer:

All of the above

Explanation:

I believe all three are true. They see how the organism is similar to other organisms. They see if the organism has the characteristics of an animal or plant. They look at what makes the organism unique.

It’s should be all of the above I believe

Can someone help with this?
--
I don't understand what to do for this part

Answers

You would turn the decimals into a percent, then you would subtract that number from 100. Put that into decimal form.
For example, aluminum’s percent error would %10

Answer:

You would turn the decimals into a percent, then you would subtract that number from 100. Put that into decimal form.

For example, aluminum’s percent error would %10

Explanation:

Choose all that apply for Grasslands

Select 3 correct answer(s)
Question 2 options:

Contains grasses and woody plants


occur in all climatic zones


rainfall is low


no trees and shrubs

Answers

Answer:

no tree shrubs rainfall is low contains grasses and woody plants correct me if I'm wrong

Answer:

B. occur in all climatic zones

C. rainfall is low

D. no trees and shrubs

Explanation:

A foil boat measures 4.0cm by 5.0cm and has a mass of 100.0g. If you put the boat in water, how far will it sink? (Recall the density of water is 1.0 g/mL) (answer with a number; units are cm)

Answers

Answer:

Let the volume of the block of wood be

V

c

m

3

and its density be

d

w

g

c

m

−

3

So the weight of the block

=

V

d

w

g

dyne, where g is the acceleration due to gravity

=

980

c

m

s

−

2

The block floats in liquid of density

0.8

g

c

m

−

3

with

1

4

t

h

of its volume submerged.So the upward buoyant force acting on the block is the weight of displaced liquid

=

1

4

V

×

0.8

×

g

dyne.

Hence by cindition of floatation

V

×

d

w

×

g

=

1

4

×

V

×

0.8

×

g

⇒

d

w

=

0.2

g

c

m

-3

,

Now let the density of oil be

d

o

g

c

m

-3

The block floats in oil with 60% of its volume submerged.So the buoyant force balancing the weight of the block is the weight of displaced oil =

60

%

×

V

×

d

o

×

g

dyne

Now applying the condition of floatation we get

60

%

×

V

×

d

o

×

g

=

V

×

d

w

×

g

⇒

60

100

×

V

×

d

o

×

g

=

V

×

0.2

×

g

⇒

d

o

=

0.2

×

10

6

=

1

3

=

0.33

g

c

m

−

3

Explanation:

A soft lump of clay has water run on top of it. Most of the water and clay runs off the table. After a long while, the water is turned off and allowed to dry. There is no clay left; instead, there are small pebbles and other types of components left on the table.
Which natural process is this modeling?

A. physical weathering

B. deposition

C. erosion

D. chemical weathering

Answers

The answer is C erosion
the answer would be Erosion
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