Recent activity by Shaofei Cheng

Recent activity by Shaofei Cheng

Can heat energy be converted into chemical energy

asked Dec 23, 2023

1 answer 140k views

Please help meee xddd

answered Oct 20, 2023

1 answer 17.1k views

Rita is going to pokhara.(into past tense)

answered Sep 6, 2023

2 answers 120k views

A store is going out of business and marks all prices at 85% off. Is there a proportional relationship between the original price of an item and its price after the discount? Explain your answer.

asked Jun 8, 2023

1 answer 147k views

Help!!!! 3. Could viruses have been the first form of life on earth?

answered Mar 23, 2023

1 answer 130k views

Solve for k. 4k – 10 = 8 . = Stuck? Watch a video or use a hint.

answered Mar 12, 2023

2 answers 156k views

Which is a career that would use microorganisms to remove pollutants from water?.

answered Feb 9, 2023

1 answer 221k views

Jeff is jogging at 6 m/s. He hears a dog bark and speeds up to 9 m/s over 1.5 seconds.What's his acceleration?

answered Feb 7, 2023

2 answers 21.6k views

Im stuck on these 2 questions

answered Dec 3, 2022

2 answers 3.1k views

What is an example of a monosacharide

answered Nov 27, 2022

2 answers 203k views

The equation of a line in the form y = a number creates this kind of line.

answered Nov 14, 2022

2 answers 185k views

1 Which of the following is a mixture? A air B copper C oxygen D steam

asked Oct 2, 2022

1 answer 183k views

If E is the circumcenter of ∆MNP, find the value of x.

asked Sep 20, 2022

1 answer 139k views

May someone help? God bless!!

answered Aug 1, 2022

2 answers 89.3k views

Diffusion is a process which does not require any energy. Why is this? A. Because molecules move down an equilibrium slide. B. Because molecules move down an active transport tunnel. C. Because molecules

answered Jul 19, 2022

2 answers 51.1k views

Special Right Triangles Need help don’t understand this.

answered Jun 19, 2022

2 answers 186k views

What is biosphere? what are the main elements of biosphere ?

answered May 25, 2022

2 answers 186k views

PLZZZZ HELP MEEEE HOMEWORK IS DUE TOMZZZZ

answered May 2, 2022

2 answers 145k views

CAN SOMEBODY HELP PLEASE !

answered Apr 11, 2022

2 answers 48.7k views

A tank containing 550mL of oxygen has a pressure of 3.5atms. If the pressure is changed to standard atmospheric pressure, approximately 1.0atms, what will be the resulting volume? Show your work.

asked Apr 4, 2022

1 answer 201k views

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