During this time, science was observed in the way they interpreted the movements of heavenly bodies to predict seasons and climates, and in organizing days into months and years. A. American era
B. Spanish era
C. Japanese era
D. Pre-Spanish Philippines

i would think it's industries and hydroelectric power

the correct answer is ''the programs costs have risen dramatically in the recent past'' hope this !

question as stated in comment

why did the chinese require the portuguese to pay for goods in gold and silver when trading?

choices

portuguese goods were less valuable than chinese goods.

the chinese already had a surplus of portuguese goods.

the imperial government wanted to stockpile gold and silver.

portuguese and chinese currencies were not exchangeable.

this a history q n in ancient time, theres no money exchange. so ans is portuguese and chinese currencies were not exchangeable.

the reciting of a song like "twelfth song of thunder" gave the navajo people the chance to come together and enjoy each other's company-