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mariarad [96]
3 years ago
10

An ecologist studies a forest area for evidence of competition among organisms. She chooses a specific location where a tree was

struck by lightning. The lightning strike caused the tree to fall over, leaving a space in the tree canopy for light to pass through. Which of these observations provides the best evidence of competition?
Many tree seedlings crowd the open space and attempt to grow in the sunlight.


Snakes come into the open space and eat small rodents that can easily be spotted in the sunlight.


Termites, with microorganisms in their stomachs to help them digest wood, are found on the fallen tree.


A type of plant, called a bromeliad, grows in the branches of the fallen tree and continues to survive even though the tree has fallen
Physics
2 answers:
-Dominant- [34]3 years ago
4 0

Answer:

Many tree seedlings crowd the open space and attempt to grow in the sunlight.

Mumz [18]3 years ago
3 0

Answer:

A

Explanation:

Many tree seedlings crowd the open space and attempt to grown in the sunlight.

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Electrical current in a wire
MA_775_DIABLO [31]
The electrical current in a wire could be from multiple things.  This is how we wire our house.  When the electrical current flows through the wire, it can power things like lights and appliances.  The things that flow through a wire are called electrons.
6 0
3 years ago
What force must be applied to the end of a rod along the x-axis of length 2.25 m in order to produce a torque on the rod about t
4vir4ik [10]

Answer:

<h2>4.9N approx.</h2>

Explanation:

Step one:

given data

length of rod r= 2.25m

Required torque = 11 Nm

Required

The force needed to produce a torque of 11Nm

Step two:

<em>"By definition, Torque is the twisting force that tends to cause rotation. </em>

<em>The point where the object rotates is known as the axis of rotation."</em>

Mathematically,

\tau = rF\sin\theta

\tau = torque

r = radius

F = force

\theta = angle between F and the lever arm

in this case is zero

\tau = rF\\\\F=\tau/r

substituting we have

F=11/2.25

F=4.88N

F=4.9N approx.

7 0
3 years ago
Please help me on this
Fynjy0 [20]

combustion of fossil fuels would be the correct answer when dealing with the alteration of the carbon cycle.

3 0
3 years ago
On a frictionless surface how much force is necessary to accelerate a 0.49 kg object to the left at 4.8 m/s2?
Alenkasestr [34]

Answer:

<h2>2.35 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question

force = 0.49 × 4.8 = 2.352

We have the final answer as

<h3>2.35 N</h3>

Hope this helps you

8 0
3 years ago
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TiliK225 [7]
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