Recent activity by Kai ZHAO

Recent activity by Kai ZHAO

I really need help with math i am not the best at it

asked Dec 15, 2023

1 answer 14.8k views

Each institution that sponsors psychological research has a(n) before a study begins.

asked Dec 1, 2023

1 answer 157k views

You are asked to test the biochemical oxygen demand (BOD) of a stream in your town. After observing the BOD over a week, you calculate that the water has a BOD of 150 mg of oxygen, which is a relatively

asked Oct 2, 2023

1 answer 25.0k views

Help with Number four and make sure to highlight the answer

answered Sep 20, 2023

1 answer 60.6k views

Can someone please help me? :(

asked Jul 28, 2023

1 answer 10.2k views

If four people of the same age each have the same education and skills, which will likely earn the greatest amount of money? A. The one who lives in a non-metro area in the Midwest. B. The one who lives

answered Jun 9, 2023

1 answer 17.2k views

Harriett baked 3 cakes. She cut each cake into equal-size pieces. Each piece was 1/ 9 of the cake. What was the total number of pieces after Harriett cut these cakes?

asked Apr 6, 2023

1 answer 229k views

PLEASEEE HELPPPP !!!!!!!!!!!!!!!!!!!!

answered Mar 16, 2023

2 answers 87.5k views

A crate of medicine with a density of 2,350 kilograms per cubic meter will be shipped from Israel to the U.S. What is the crates density in pounds per cubic foot? First fill in the two blanks on the left

answered Jan 31, 2023

2 answers 210k views

16. Ich bin müde. Ich _____________ müde. (2 points) gewest warst war geseit 17. Ich kann nicht schlafen. Ich _______________ nicht schlafen. (2 points) konnte gekonnt kannt konntest 18. Ihr müsst eure

asked Dec 17, 2022

2 answers 70.6k views

I Name the following: 1. It is the mechanism of inheritance of characters from the parental generation to the offspring.

answered Dec 9, 2022

1 answer 10.6k views

Find 76.4% of 202.1. Round to the nearest thousandth.

answered Dec 9, 2022

2 answers 38.5k views

I don’t eat that much for dinner. Change this sentence into past continuous tense

answered Nov 20, 2022

2 answers 180k views

What was a women's primary role British colonies in North America

asked Oct 2, 2022

2 answers 58.9k views

The equation y= 1.56x + 8.36 models the approximate height of a tree in feet after x weeks. Which statements are true about the linear model? Select all that apply. A. The plant grows a total of 1.56x

answered Aug 12, 2022

1 answer 19.6k views

Deforestation is the act of destroying forests so the land can be used for other purposes. Do you think deforestation increases, decreases, or has no effect on the biodiversity of the forest ecosystem?

answered Jul 10, 2022

2 answers 37.2k views

SOME ONE HELP MEEE ITS TIMED This graph shows the life expectancies of people in three Central American countries. Life Expectancies in Central America

answered Jun 28, 2022

2 answers 173k views

Verify the identity: sin(A + B) sin( A B) tan(-4) + tan(B) tan(4) tan(B)

asked Jun 24, 2022

2 answers 60.3k views

Explain the solution evolved by their CIO, Mr V.Subramanium

asked May 13, 2022

1 answer 225k views

Select the correct answer. Carbon burns in the presence of oxygen to give carbon dioxide. Which chemical equation describes this reaction? OA carbon + oxygen + carbon dioxide OB. carbon + oxygen - carbon

asked Apr 11, 2022

2 answers 114k views

Search QAmmunity.org