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kramer
3 years ago
8

Laasya accurately explains to Clark the role of decomposers in an ecosystem. Choose the sentences that she should include in her

explanation. Select all that apply.
A.) Plants are decomposers.

B.) Decomposers break down dead organisms.

C.) Some ecosystems can function without decomposers.

D.) Decomposers help to recycle nutrients in an ecosystem.

E.) Decomposers include some insects, worms, and producers.
Physics
1 answer:
Brrunno [24]3 years ago
3 0

The Sentences which should Include in Laasya Explanation are :

B. Decomposers breakdown Dead Organisms.

D. Decomposers help to recycle Nutrients in an Ecosystem.

<u>Because </u>:

✿ Plants are Producers, But not Decomposers

✿ Ecosystems cannot function without Decomposers.

✿ Decomposers do not include Producers

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a measuring cylinder contains 30cm3 of a liquid some more of the liquid is added until the liquid level reaches the 50cm3 mark t
S_A_V [24]

Answer:

1.5g/cm³

Explanation:

Given parameters:

Initial volume of the liquid  = 30cm³

Final volume of the liquid  = 50cm³

Mass of the liquid  = 30g

Unknown:

Density of the liquid  = ?

Solution:

Density is the mass per unit volume of a substance.

  Density  = \frac{mass}{volume}  

volume of the liquid  = final volume - initial volume  =  50cm³  -  30cm³

 volume of the liquid  = 20cm³

Density  = \frac{30}{20}   = 1.5g/cm³

6 0
3 years ago
Which of the following may have happened if the inner planets had greater masses during the formation of the solar system? . . A
Svetach [21]
Right answer is option b that is the inner planet may havebeen larger and more gaseous.
5 0
3 years ago
In metal wires the charged particles that move are A. protons B. electrons C. neutrons D. none of the above
VashaNatasha [74]

Answer:

the answer is B: electrons

Explanation:

4 0
4 years ago
Read 2 more answers
The micrometer (1 μm) is often called the micron. (a) How many microns make up 3.0 km? (b) How many centimeters equal 3.0 μm? (c
Tomtit [17]

Answer:

3 x 10⁻⁹km

3 x 10⁻⁴cm

2.73 x 10⁶μm

Explanation:

 A micron is a subunit of measurement usually for length dimensions.

                     1μm   = 1 x 10⁻⁶m

a. How many microns make up 3km;

         Now convert to meter first;

                 1000m  = 1km

           So, 3km will be made up of 3000m

So;

          1 x 10⁻⁶m    =     1μm  

         3000m  =   \frac{3000}{1 x 10^{-6} }   = \frac{3  x 10^{3} }{ 1  x  10^{-6} }   = 3 x 10⁻⁹km

b.  How many centimeters equal 3.0 μm?

            Since;

                        1μm   = 1 x 10⁻⁶m

                         3μm  = 3 x 1 x 10⁻⁶  = 3 x 10⁻⁶m

So;

            100cm  = 1m;

                  1m  = 100cm

             3 x 10⁻⁶m  = 3 x 10⁻⁶  x 10²   = 3 x 10⁻⁴cm

c. How many microns are in 3.0 yd?  

              1yd  = 0.91m

              3yd  = 3 x 0.91  = 2.73m

So;

            1 x 10⁻⁶m    =     1μm  

              2.73m will give \frac{2.73}{1 x 10^{-6} }   = 2.73 x 10⁶μm

           

3 0
3 years ago
Suppose you are asked to find the area of a rectangle that is 2.1-cm wide by 5.6-cm long. Your calculator answer would be 11.76
kicyunya [14]
If I’m understanding the question then 11.76cm^2 in two sig figs is 12cm^2. I don’t see a part c to this question though so if I’m not giving you the answer you need please advise and I will answer what you need! Thank you!!
8 0
3 years ago
Read 2 more answers
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