Answer:
Heat from the Earth's core and radiation from the Sun is transferred to the surface of the Earth by conduction. Contact of the atmosphere with these warm surfaces transfers thermal energy, which then heats up the rest of the air through convection
Answer:
The statement is true.
Explanation:
During the first half of the 20th century, racism was extreme and constant in many countries. This racist thinking forced African American people to eat, drink, study and do everything in different places. Also, the only work they could do was housekeeping or physical work like construction.
Answer:
The correct answer is - phytic acid.
Explanation:
Phytic acid is a small molecule that available in various food such as seeds, beans, grains, and nuts that chelates specific minerals like iron, zinc, magnesium, and calcium.
High level of phytic acid in individual animals or humans like middle eastern populations even though they had a high amount of zinc in their diet. The high level of the phytic acid decreases the bioavailability of the nutrients and minerals.
Thus, the correct answer is - phytic acid.