To ensure proper protection for food during storage the bottom shelf should be at least 3 inches - 3 feet above the ground. This is to protect the food from pests and other organisms that may cause disease and health-problems to people who are going to consume such produce. It is a common practice done in the past and have evolved in the process of manufacturing these days.
Answer: to defend itself
Explanation:
This natural reaction prepares you to either flee or protect yourself in dangerous situations. Your heart rate increases, your adrenal gland releases cortisol (a stress hormone), and you receive a boost of adrenaline, which increases energy. This fight-or-flight response occurs in the alarm reaction stage.
Answer: 4 This group of substances can produce chemical vapors that can be inhaled to produce a mind-altering effect.
stimulants
psychoactives
inhalants
depressants
The pinna is part of the external ear.
