1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Goryan [66]
3 years ago
11

How far back in history do written sources go?

Social Studies
1 answer:
DerKrebs [107]3 years ago
8 0
Well i was thinking bc and all that but looking at the picture i think dinosaurs lol

You might be interested in
Several unsafe practices while working in a laboratory are listed. identify the most likely hazard to result from each unsafe pr
Svetradugi [14.3K]

The most likely hazard to result form the listed laboratory unsafe practices are;

1. Working with a volatile chemical on the outside of the cooker hood-

Hazard. Inhalation of a potentially toxic chemical. This is a risk because toxic chemicals can enter our lungs and damage them.

2. Failure to label a new chemical reagent

Hazard: Exposing colleagues to an unknown danger.

If they others are unfamiliar with the new chemical reagent, they may be using the wrong reaction, which could lead to an explosion.

3. Lunch at the lab bench-

Hazard: Ingestion of a potentially toxic chemical. Because toxic chemicals can come into contact with our food and harm us.

4.Do not wear safety glasses in the lab.

Hazard. Exposing yourself to eye damage. Because dangerous chemicals can come into contact with the eyes and damage them.

5. Failure to clean up a corrosive chemical spill

Hazard. Exposing coworkers to skin damage. Because they can come into contact with that spill of a corrosive chemical and damage the skin.

6. Dispose of the broken glass tubes in the waste bin. Hazard Expose your colleagues to potential skin cuts. As co-workers do not know that we have thrown broken glass in the trash, they are likely to come into contact with this broken glass and cut themselves.

<h3>What are laboratory unsafe practices?</h3>

Inadequate chemical hygiene. When working with hazardous compounds, failure to utilize protective equipment or follow lab safety protocols. Spills of chemical, biological, or radioactive materials in a laboratory or public place. Odor emissions from known or unknown chemicals.

Learn more about Lab Health and Safety:
brainly.com/question/8430576
#SPJ1

5 0
1 year ago
Term used to describe behavors feelings or thoughts that are highly unusual and inappropriate in a given situation
sp2606 [1]
The word is abnormal, I hope that helps.  
6 0
3 years ago
Read 2 more answers
Persistent repetitive thoughts that cannot be controlled are known as.
faltersainse [42]

It should be noted that Persistent repetitive thoughts that cannot be controlled are known as Obsessive-compulsive disorder.

<h3>What is Obsessive-compulsive disorder?</h3>

Obsessive-compulsive disorder can be regarded as a disorder that contains  pattern of unwanted thoughts as well as fears.

And this can make the one suffering from it to  repetitive behaviors (compulsions).

Learn more about Obsessive-compulsive disorder at:

brainly.com/question/7064915

4 0
2 years ago
Read 2 more answers
Endogamy is: a. the tendency of people to marry outside their particular group. b. related to the distrust of outsiders. c. enfo
Feliz [49]

Answer:

d. the tendency to choose a mate with similar personal characteristics.

Explanation:

Endogamy was common in ancient times to preserve the blood, the similarities between the members of the family, and the dynasties. However, this practice was dangerous because of the possibility of creating a generation of members with some kind of genetic disease or malformation.

6 0
3 years ago
Note about Mahabir Pun fast please have due after 3 hrs
scZoUnD [109]

Answer:

jay pubg

Explanation:

pubg pubgjjejhrhr

7 0
3 years ago
Other questions:
  • John hasn't started working on his term paper. he wants to do well in the course, but he's struggling with how to identify a sol
    8·1 answer
  • The Supreme Court's written opinions set precedents for lower courts.
    5·1 answer
  • HELP PLEASE!!!!!!!!!!
    9·1 answer
  • What is it called when the appellate court finds no mistakes in your trial and upholds the verdict?
    9·1 answer
  • Two nations sign a trade agreement expecting to enjoy mutual gains from the trade of a certain good. How will this event likely
    14·1 answer
  • Gerald is very good with customers, is friendly, and works well with a team. Which career is Gerald most likely a part of?
    6·2 answers
  • What does language and cognitive development in children in psychology mean?
    10·1 answer
  • Escribe un relato corto donde relaciones los
    11·1 answer
  • 1. Tobacco was the "cash crop" that caused foreigners to settle in Hawaii.<br> True<br> False
    12·2 answers
  • It is unethical to ask employees to clock out and have them work a little longer. Please select the best answer from the choices
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!