Angiosperms <span>have seeds that are enclosed within an ovary (usually a fruit.)</span>
Answer: D
Explanation:Heat is the form of energy that is transferred between systems or objects with different temperatures (flowing from the high-temperature system to the low-temperature system). Also referred to as heat energy or thermal energy. Heat is typically measured in Btu, calories or joules
Answer: happen or take place
They fight them through 2 mechanisms: innate immunity & acquired immunity