Answer:
True
Explanation:
Physical contamination are foreign objects such as hair, fingernails, broken glasses , jewelries etc that are mixed with food. Although, it is important for a food handler who realizes that he is sick such as having fever, jaundice,wound while working to report such to his supervisor or manager,who will then take necessary action and to avoid risk of contamination; yet not the only cause of physical food contamination.
Physical contamination does not necessarily have to occur until the food handler is sick. It could be as a result of carelessness or not paying attention enough by the food handler . Physical contamination might not at all times cause injury or illness to the customer, yet such could bring discomfort to a customer who notices foreign objects in his food while eating. To avoid risk of physical food contamination, it is important for food handlers to keep jewelries to a minimum, wash fruits and vegetables thoroughly, wear hear neatly tied back, throw out and replace cracked, chipped, or broken dishware, glassware and equipment amongst others.
El hielo flota porque es menos denso que el agua líquida. Cuando se forma hielo, ocupa aproximadamente un 9% más de espacio del que ocupaba como líquido. Por lo tanto, un recipiente de 1 litro de hielo pesa menos que un recipiente de 1 litro de agua líquida y el material más liviano flota hacia
Answer:
Neurotransmitters are released
Explanation:
At a neuromuscular junction, action potential that arrives there causes the release of the acetylcholine into the synapse. This then binds to the receptors that span across the surface of the motor end plate triggering muscle contraction with the release of calcium.
It acts as a transmission passageway for action potential between the end of a motor nerve and a muscle.
Co-ordinate covalent bonding
Out of the following given choices;
mucosa
serosa
submucosa
muscularis externa
The answer is muscularis externa. This layer is one of the 4 layers (tunics) of the GI tract. It is found beneath the submucosa and is composed of smooth muscles. The smooth muscles are responsible for the involuntary movements called peristalsis, that move food along the gastrointestinal tract.
