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4 years ago

Explain what all sensory receptors have in common.

1 answer:

7 0

The correct answer is that all receptors are considered to have the same feature, which is being a transducer.

Transducers change vitality starting with one form then onto the next. Generally, the receptor cells don't create an activation impulse by themselves. Rather, they create a progressively expanding potential, which triggers enactment of the afferent nerve fiber to which they are associated.

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HELPPP!!!!!!

liraira [26]

The answer is 1.7 billion

4 0

3 years ago

Peter Chen developed ERDs in 1976. Since then Charles Bachman and James Martin have added some slight refinements to the basic E

shusha [124]

Answer:

Check the explanation

Explanation:

In RDBMS relational database, the keys play an essential role in making the database reliable and relational in which two or more relations (tables) can be divided into a range of relations with the use of diverse types of keys due to which the redundancy decreases and flexibility of data storage increases.

The following are the usage of keys in a database:

It helps in identifying a specific record that is present in the table.

It is used in minimizing the redundancy from the tables.

It is used in removing the multi-valued attributes from the relations.

it helps in connecting one table with others by using Foreign keys.

It is used in maintaining the uniqueness of the data stored in the database.

It helps in identifying the relationship between two or more tables.

Types of keys in a relational database:

PRIMARY KEY: It helps in identifying each record uniquely due to which the redundancy of data can be minimized.

FOREIGN KEY: It is a kind of referenced key that helps in making a relationship between two or more tables. It helps in fetching records by combining two or more tables with the help of different joins.

SUPER KEY: It is a combination of two or more keys that can be selected as primary. It may contain those columns which have repeated values.

COMPOUND KEY: It is a combination of those columns which may not be used independently as the identification of unique records but their combination does.

CANDIDATE KEY: It is a kind of a super key that does not contain repeated records. A primary key can be chosen from candidate keys.

8 0

4 years ago

Sends a copy of the message and any additional comments to a different e-mail address

Debora [2.8K]

Answer:

Forward.

Explanation:

E-mail is an acronym for electronic mail and it can be defined as a set of written words, texts, characters used for conveying a message from one person to another. It is a channel or medium of communication between one person and the other.

Forward simply sends a copy of the message and any additional comments to a different e-mail address. The term forward is used in email to describe the process of sending a message.

3 0

4 years ago

How can you troubleshoot Internet access problems

Oxana [17]

Answer:

When your Internet service is disrupted, there can be many things that have gone wrong. The best way to start is to determine if everything is broken (i.e. you can't access any websites or Internet services) or if the difficulty is only with a certain program or a specific website is not responding.

Check the network icon (or wireless connection settings) to see if you have Internet access. Ensure that your network adapter is not turned off.

Check for changes to proxy settings.

Check the network cables if your computer is wired to the router.

Reset your router.

Check your firewall or security software. There are specific troubleshooting steps for ZoneAlarm issues.

Check your browser access issues or email problems.

6 0

4 years ago

Presentation software allows users to _____.

Svetlanka [38]

It allows them to create visual presentations, like a slideshow and even more.

5 0

4 years ago