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3 years ago

13

List two things phytoplankton need to survive. Name at least two special adaptations phytoplankton have to stay in the photic zo

ne.
Thanks

1 answer:

cluponka [151]3 years ago

8 0

They need water and sunlight to survive

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A state patrol officer saw a car start from rest at a highway on-ramp. She radioed ahead to another officer 20 mi along the hig

Vikentia [17]

Answer:

We know from the basic speed distance relation that

$Speed=\frac{Distance}{Time}$

Since the car started from rest and it covered the distance between the 2 officer's in 19 minutes we have speed of the car

$Speed=\frac{Distance}{Time}\\\\Speed=\frac{20}{\frac{19}{60}}=63.16mph$

Which clearly exceeds the limit of $60\frac{mi}{hr}$

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3 years ago

1. What is the potential energy of a 4-kilogram potted plant that is on a 1 meter-high plant

Yuri [45]

39.2 J

Explanation:

Step 1:

To find the potential energy the following formula is used.

Potential Energy = m × g × h

Where,

m = Mass

g = Acceleration due to gravity

h = Height

Step 2:

Here m = 4 kg, g = 9.8 m/s², h = 1 m

Potential Energy = ( 4 × 9.8 × 1)

= 39.2 J

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3 years ago

As the distance between two charged objects increases, the strength of the electrical force between the objects

GuDViN [60]

Answer:

I believe the answer is It increases

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3 years ago

What does the column that an element is in tell you?

Mumz [18]

Answer:

The column number tells us the amount of valence electron the element has

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3 years ago

If a net force is greater than 0 Newtons, what is the force?

goldenfox [79]

Answer:disequilibrium

Explanation:

When the net force is not zero it is called disequilibrium

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4 years ago