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AleksandrR [38]
3 years ago
8

What are two kinds of lenses

History
1 answer:
Alexxandr [17]3 years ago
4 0

convex and concave are two types of lenses

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Select all that apply.
zheka24 [161]

Answer:

an agricultural boom took place

interest in science and economics grew

Explanation:

Middle age period which is between 500CE to 1500CE, it started after the fall of western Roman Empire, and preceded the colonial expansion of western Europe. This period is characterized by its various technological advancements both in military and civil technology. It involves, new inventions, innovations and exploring conventional means of production and economics growth. Some of these advancements includes but not limited to the following:

1. Agriculture: crop rotation method, wind press

2. Architecture and Construction: Chimney, Artesian well

3. Mechanics

4. Milling: paper mill

5. Navigation: compass

6. Paper mill and reading

7. Science and Learning: Arabic numerals, university

8. Gun powder

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3 years ago
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The United States refused to join because they did not agree with Britain and Frances punishment for Germany. <span />
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6 agreement by which a knight agrees to be a sub-vassal to vassal in exchange for land
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Dom tract fans ..................
Tcecarenko [31]

Answer:

don't know

Explanation:

I cant help ya out because it makes no sence

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What are some common characteristics shared by the native Americans and the Aficans ​
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