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Goshia [24]
3 years ago
7

If an electromagnetic is made using a battery circuit and a steel nail, how can its magnetic strength increase

Biology
1 answer:
Tcecarenko [31]3 years ago
7 0

If you coil the wire around and around, it will make the magnetic force stronger, but it will still be pretty weak. ... The strength of an electromagnet can be increased by increasing the number of loops of wire around the iron core and by increasing the current or voltage.

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Which two phenomena are evidence that gravitational forces are attractive? Select two statements.
Vinvika [58]

Answer:

A. the rise and fall of the tides.

C. a dropped object always falls toward Earth.

Explanation:

Gravity is considered to be a universal force of attraction which acts between all objects that has both mass, energy and occupy space. Therefore, it acts in such a way as to bring objects together.

Additionally, the gravity of earth makes it possible for all physical objects to possess weight.

The two phenomena which are evidence that gravitational forces are attractive includes;

I. The rise and fall of the tides: this is caused as a result of the gravitational force of attraction exerted by the moon on earth.

II. A dropped object always falls toward Earth: this acceleration is due to the gravitational force of attraction between the Earth and the object.

7 0
3 years ago
What direction can earth plates move
JulijaS [17]
Most seismic activity occurs at three types of plate boundaries—divergent, convergent, and transform. As the plates move past each other, they sometimes get caught and pressure builds up.
6 0
2 years ago
Read 2 more answers
Q? Describe the concentration gradient of carbon dioxide across the cell membrane.
hoa [83]

Answer:

Carbon dioxide goes with the concentration gradient across the cell membrane. It goes in the direction of the concentration gradient, from high concentration to low concentration.

Explanation:

CO_{2} undergoes simple diffusion, which is an example of passive transport. Passive transport diffusion goes with the concentration gradient, while on the other hand, active transport goes against the concentration gradient.

Going with the concentration gradient means that the molecules move from areas of high concentration to areas of low concentration. This is what carbon dioxide does.

Going against the concentration gradient means that the molecules move from areas of low concentration to areas of high concentration. This goes against the concentration gradient.

6 0
2 years ago
Using the cladogram, who is the closest relative to the bird ?
lisabon 2012 [21]

Answer:

Crocidile

Explanation:

6 0
3 years ago
The photo shows many similar cells that work together. Which level of organization in living things does this photo represent? O
Mandarinka [93]

Answer: I think the answer is Tissue

Explanation:

Sorry if I am wrong

Hope this helps <3

3 0
3 years ago
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