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Setler [38]
3 years ago
11

What is a scientific theory? Choose the best answer.

Biology
2 answers:
Alchen [17]3 years ago
7 0

Answer:

an explanation that is backed up by evidence

Darina [25.2K]3 years ago
6 0

Answer:

An explanation that is backed up by evidence.

Explanation:

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A food handler who fails to report illness to the person in charge could cause a physical contamination?
Hunter-Best [27]

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.

8 0
3 years ago
Please tell me answers I am given you brainliest ​
qwelly [4]

Answer:

Q2->They all form acids when combined with hydrogen. They are all fairly toxic. They readily combine with metals to form salts.

Q3->Because their outermost orbit is complete.  In Mendeleev's original periodic table there was no place reserved for noble gas.  They were discovered in end of 19th century.  So Mendeleev created zero group without disturbing original periodic table.

Explanation:

6 0
3 years ago
Which of the following occurs when a phosphate-phosphate bond in an ATP molecule is broken? *
Grace [21]
Energy is released in the cell
8 0
2 years ago
Read 2 more answers
What are the products of photosynthesis
atroni [7]
The products of photosynthesis has reactants and products

In photosynthesis for products there are rubp which is technically glucose and oxygen. So your answer would be number 4

The other ones listed are classified as reactants

4 0
3 years ago
The following anatomical features of the small intestine function to increase the surface area of the intestinal wall and maximi
natulia [17]

Answer:

1) Circular Folds

2) Villi

3) Microvilli.

Explanation:

Small intestine is one of the most important organ of the body and plays n important role in the process of digestion. The dedenum, jejenum and ileum are the parts of small intestine.

The small intestine has villi that helps in increasing the surface area for digestion and absorption. The circular folds has the highest diameter and large in the structure than the villi and microvilli. Microvilli has the smallest structure among the  villi and microvilli.

Thus, the order are option (c), (b) and (a).

4 0
3 years ago
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