Compound microscopes use multiple lenses to magnify specimens; they usually have two lenses that can be adjusted.
Answer:
I think it means like historical or modern documents that you can use to answer some questions that you have
Explanation:
I think-
D.) Gil Eannes’s trip around Cape Bojador
E.) Bartolomeu Dias’s trip around the Cape of Good Hope
Portugal, the western-most European country, played important role in Western Age of Discovery and Exploration. Under the guidance of Prince Henry the Navigator, Portugal played the key role throughout the fifteenth century in exploring the route to Asia by navigating south around Africa.
The invention of a common route nearby Cape Bojador considered as the opening of the Portuguese investigation of Africa. They voyaged about 30 leagues (144 km), or even 50 leagues (240 km) of south land of Cape Bojador and entered the African coast.
In 1488, Portuguese navigator Bartolomeu Dias (c. 1450-1500) became the first European sailor to curl the southerly tip of Africa, unlocking the gateway for a sea route from Europe to Asia.
A heterogeneous mixture is a mixture in which its components retain their identity (texture, surface tension, etc.)
When parents are consistently warm with and responsive to their infant, the infant is likely to develop a(n) secure attachment to the parents
A psychology study on attachment concludes that children who are not looked after by their parents need to have an opportunity to form an attachment with someone else. An attachment is essentially an emotional bond between tone person and another person. It is a connection that helps to ensure closeness and feeling more secure when people are with another.
In conclusion, the psychological research found that children who are not looked after by their parents need to have an opportunity to form an attachment with someone else.
Read more about attachment
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