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Natasha_Volkova [10]
2 years ago
7

Explain how physical and chemical changes affect the mass of a material

Biology
1 answer:
jeka57 [31]2 years ago
6 0

Answer:

Explanation:

During a physical change, the arrangement of particles may change but the mass, number of atoms and number of molecules will stay the same. ... During a chemical change, the mass and number of atoms is conserved, but the number of molecules is not always the same. Chemical reactions involve large changes in energy.

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A barrier separating the cell’s genetic information from the cell’s cytosol.
malfutka [58]

Answer:

All cells hace a barrier around them that separates them from the environment and from other cell.The barrier is called the plasma membrane,or cell membrane.

8 0
2 years ago
An individual with an uncertain vaccine history has been brought to the emergency room after receiving severe lacerations in an
Blababa [14]

Answer:

E) The tetanus immune globulin provides immediate, short-term protection, and the tetanus vaccine provides long-term protection.

Explanation:

Basically, immunization is very important and necessary to protect the person from diseases.

In the above scenario, individual who is injured with severe lacerations does not have any history of previous tetanus vaccination. Because vaccination is for long term protection but it also take time to produce antibodies in an individual. Individual is injured and can have risk of tetanus.

So, along with vaccine we will administered the tetanus immune globulin to provide immediate, short term protection against tetanus.

6 0
3 years ago
what happens to the thickness of the uterine lining when the level of the hormone progesterone reaches its highest levels
Alona [7]
The thickness of the uterine lining , becomes very thick...because when the level of hormone progesterone reaches its highest levels. according to Dr.X on yahoo answers.
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3 0
2 years ago
The spiders mentioned in the paragraph are
aksik [14]

Answer: the answer is C, Carnivores

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4 0
2 years ago
Linda has been hired by Doctor Patel to oversee a fast-paced, innovative medical office. It is a highly difficult, but well-paid
lozanna [386]

Linda’s belief in her capabilities is known as self-efficacy.

<u>Explanation:</u>

The concept of self efficacy was proposed for the first time by psychologist Albert Bandura. According to him self –efficacy means the ability of a person to execute courses of action that  are  required to deal with prospective situations. Self-efficacy determines the power of a person to face challenging situations and the choices he or she makes in life.

An individual’s external experiences and self perception are crucial in the development of self-efficacy. People with high self-efficacy tend to give a try in mastering even the hardest tasks rather than trying to avoid them.

8 0
3 years ago
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