Answer:
Portugal had a substantial role during the age of exploration, due to the sucess of Cristovão Colombo, the explorer that could managed to create one of the most lucrative trade routes by that time, linking Europe to Asia, and also discovered one of the richest deposit of gold in the age of exploration, the Brazilian islands of Fernando de Noronha, that is known for its beauty and natural resources such as gold, silver and Pau Brasil, a tree used to make red pigment for cloths that only the noble class had access by that time
Birds land animals sea animals humans
Answer: The Solar nebula is a rotating cloud of gas and dust from which the sun and planets formed.
Explanation:
The scientific revolution of the 1500s and 1600s had renewed an interest in the scientific accomplishments of classical Greece and Rome. - D
This was achieved by the rediscovering of clasical works that were done during those ages. Through their help, the "scientists" of the time popularized various fields in mathematics and philosophy as well as astronomy.
I think its because of power or it commands more of respect or it was for decoration for the helmet. i hope this helps you.