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Answers by Peng Peng

Answers by Peng Peng
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Social media played an important role during the 2020 COVID-19 pandemic. Identify three examples of the role it played.
answered Oct 25, 2024
6 votes
65.7k views
True/False If a hypothesis is tested true, does it become a theory right away?
answered Aug 21, 2024
3 votes
202k views
When a credible witness is used, what is the primary function of the credible witness? 1) Provide evidence 2) Give testimony 3) Cross-examine the defendant 4) Preside over the trial
answered Aug 8, 2024
4 votes
222k views
If you are travelling East bound what is a possible cruising altitude? West bound? A) East: Odd thousand feet, West: Even thousand feet B) East: Even thousand feet, West: Odd thousand feet C) East and
answered Aug 5, 2024
2 votes
169k views
In which eating disorder might a person have an intense fear of becoming overweight, even though she is underweight? a. Anorexia nervosa b. Bulimia nervosa c. Eating disorder not otherwise specified d.
answered Jul 29, 2024
3 votes
104k views
What is a dichotomous key and how is it used
answered Jul 14, 2024
2 votes
226k views
Who wrote about political opinion in america in the 1830s?
answered Jun 30, 2024
2 votes
153k views
Select a reason why a business would use e-commerce.
answered May 23, 2024
6 votes
192k views
ou have a cylinder. you don't know what its internal structure looks like, but you plan to roll it down a ramp, as in this week's procedure. the ramp is 1 m long, and is elevated at an angle of 15o. the
answered May 5, 2024
1 vote
458 views
Categorize these as scientific law or scientific theory: Which of the following statements belong to a scientific law? A. Plate tectonics theory B. Law of gravity
answered Mar 11, 2024
4 votes
231k views
Aluminium oxide melts at over 2000°C. What is added to lower the melting point? 1) Positive ions 2) Negative ions 3) Water 4) Heat
answered Feb 18, 2024
3 votes
200k views
Find the acceleration of a car that goes from 16 m/s to 48 m/s in 8 seconds. Help asappp and put units plssss
answered Dec 19, 2023
0 votes
19.4k views
What percentage of Earth's land is used for agriculture? 40% 20% 50% 10%
answered Oct 13, 2023
6 votes
107k views
For what values of x is the expression below defined? √x+4÷√1-x
answered Aug 8, 2023
5 votes
200k views
1. What is the difference between a plain and a desert?
answered May 11, 2023
3 votes
96.5k views
How many cells are estimated to be in the human body?
answered Apr 28, 2023
9 votes
79.4k views
Which of the following is a true statement regarding phytoplankton? they are most commonly found near deep-sea thermal vents they are responsible for 80% of all global warming they are the only cause of
answered Dec 18, 2022
4 votes
16.0k views
Find two consecutive numbers whose sum is 55
answered Nov 18, 2022
8 votes
118k views
How was new imperialism in the 19th century a result of industrialization in Europe? Why would the expansion of factory work and manufacturing lead to European nations' scramble for territory in Africa
answered Oct 29, 2022
6 votes
211k views
Solve: 3 (x+ 4) – 5(x - 1) < 5
answered Jun 18, 2022
2 votes
69.3k views
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