Hi there!
I believe the answer to this is B. Elementary and High school students.
Hope this helps! ☺♥
Answer:
Neptune takes the longest to orbit the sun because of it's distance away from the Sun.
Explanation:
Alloys are supposed to give greater strength to metals, which is why gold is mixed with others to make it harder. They have greater strength and are more resistant to erosion.
If you meant the word silicon then yes, silicon is a semiconductor and its ability to conduct gets better as the temp. rises
<h3><u>Answer</u>;</h3>
Concave Lenses
<h3><u>Explanation</u>;</h3>
- A concave lens is thin in the middle and thick at the edges, such that it seems to cave inwards. It spreads light rays apart producing an image smaller than the actual object.
- <em><u>Images formed by a concave lens are virtual, upright, reduced in size and located on the same side of the lens as the object. Diverging lenses or concave lens always produce images that share these characteristics. The location of the object does not affect the characteristics of the image. </u></em>
