3 years ago

What did Charles Darwin’s conclude on the Galapagos Island? Plz answer fast

1 answer:

3 0

He discovered several species of finches that varied from island to island and it helped him make his theory of natural selection.

hope this helps !

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What are some advantages of using the graphical method of vector resolution?

valina [46]

<span>It's more accurate than scale diagrams.
You don't need tools (graph paper, protractor etc)
Also, if you are using computers, it easy to programmme.</span><span>
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2 years ago

Two points are given in polar coordinates by : (r, θ) = (2.60 m, 50.0°)

alukav5142 [94]

Answer:

The distance between the 2 points is 4.6558 meters.

Explanation:

The distance between 2 points $(r_1,\theta _1),(r_2,\theta _2)$ is given by

$d=\sqrt{r_{1}^{2}+r_{2}^{2}-2r_1\cdot r_2cos(\theta _2-\theta _1)}$

In our case the given 2 points are $(2.60,50.0^{o}),(3.60,-46.0^{o})$ hence the distance is

$d=\sqrt{2.60^{2}+3.60^{2}-2\cdot 2.60\cdot 3.60\cdot cos(-46.0-50)}\\\\\therefore d=4.6558m$

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2 years ago

How do you know when electric current is flowing in a lightbulb circuit?

daser333 [38]

The direction of an electric current is by convention the direction in which a positive charge would move. Thus, the current in the external circuit is directed away from the positive terminal and toward the negative terminal of the battery. Electrons would actually move through the wires in the opposite direction.

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2 years ago

What is the range of motion of the elbow if extension is 0° and flexion is 145°?

inna [77]

Answer:

0 to 145 degrees

Explanation:

The normal range of flexion and extension is from 0 to 145 degrees.

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2 years ago

Which item could you use in place of an ammeter to demonstrate that a

love history [14]

Answer:

the answer is D

Explanation:

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