Questions by Rebekka

Questions by Rebekka

Mercury inside of a spectrum tube gives off a blue light when electricity is passed through. What is the energy of this blue light if a photon released has a wavelength of 450 nm? a) 4.41 x 10^-19 J b)

asked Sep 19, 2024

1 answer

0 votes

10.3k views

Question 2 of 5 Which of the following is not a benefit of cycling? OA. Easily accessible exercise. B. A way to carry lots of gear. C. Weight control. D. Pollution-free transportation.

asked Jan 17, 2024

1 answer

4 votes

98.4k views

A business advertises that everything in the store is an additional 10% off the already reduced prices. Marcus picks out 2 shirts that are on a 30% off rack. If the shirts are originally priced at $28.

asked Oct 22, 2023

1 answer

0 votes

47.6k views

If x = false and y = false, is the statement: not x or not y a) true b) false

asked Oct 12, 2023

1 answer

1 vote

179k views

Hola me puede ayudar

asked Jun 4, 2023

1 answer

5 votes

153k views

1. Which term best describes the Middle Colonies? a. Similar c. Wealthy b. Farming d. Diverse

asked Apr 5, 2023

1 answer

0 votes

128k views

Can someone help with this problem

asked Jan 2, 2023

1 answer

21 votes

22.9k views

To move in a curved path around a center Answers A: rotate B: revolve C: season D: orbit

asked Dec 17, 2022

2 answers

0 votes

4.6k views

Use circle C classify arc MNO in circle C

asked Nov 20, 2022

1 answer

4 votes

103k views

Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!

asked Nov 18, 2022

2 answers

1 vote

87.7k views

HELP! I NEED THIS QUESTION ANSWERED ASAP!!!!! HERE! Angle X measures 53° What type of angle is angle X? Answers: 1 ) Obtuse 2) Right 3) Acute

asked Nov 5, 2022

2 answers

0 votes

216k views

Refer to the rubric above. Regina is writing a research paper on WWII. She is researching the following question: What circumstances led up to the bombing of Pearl Harbor? In which part of the rubric is

asked Oct 5, 2022

1 answer

2 votes

130k views

What two things fueled Japan's desire to have a vast Pacificempire ? A)dicatorships and democracies B)communism and socialism C)industrailization and militriasm D)presidents and kings

asked Aug 25, 2022

1 answer

21 votes

218k views

130. Where did the Umanaiyads establised Caliphate

asked May 20, 2022

1 answer

8 votes

6.1k views

Many factors influence the composition of Earth's atmosphere. Identify the correct statements about Earth's atmosphere. Click to select the correct answers. Cyanobacteria are early organisms that produced

asked Dec 12, 2021

2 answers

0 votes

167k views

HELP ASAP PLEASEEEE, idk how to draw this, if anybody could show me QUESTION 1

asked Sep 9, 2021

1 answer

1 vote

190 views

Ivan’s chocolate bar is 31% cocoa. If the weight of the chocolate bar is 75 grams, how many grams of cocoa does it contain? Round to the nearest tenth. PLEASE HELP

asked Sep 7, 2021

1 answer

3 votes

203k views

Why should you reach conclusions and make claims after your research?

asked Jun 13, 2021

1 answer

4 votes

19.4k views

Find the slope of the graph given below

asked Apr 8, 2021

1 answer

2 votes

105k views

Which of the following is the best definition for climate? A. The day to day changes in the atmosphere B. The average weather over a long period of time and over large areas C. The state of the atmosphere

asked Jan 5, 2021

1 answer

0 votes

180k views

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