Questions by Yoonjesung

Questions by Yoonjesung

Determine the minimum number of photons that must enter the eye's pupil each second in order for an object to be seen. Assume that the pupil's radius is 0.20 cm and the wavelength of the light is 550 nm

asked Aug 8, 2021

1 answer

3 votes

35.8k views

Choose the incorrect statement The polarity or poles in Earth's magnetic field actually switch and is recorded in the sea floor. The youngest rock is actually at the center of the ocean and older the farther

asked Jun 12, 2021

1 answer

4 votes

196k views

Is 8 < x the same as 8 > x ( please explain this )

asked Apr 27, 2021

1 answer

3 votes

181k views

The map shows the route tribes took from Idaho during the Nez Perce War. ANSWER IS D Where were the Nez Perce heading before they were defeated by the US military? Puget Sound Montana Idaho Canada

asked Apr 18, 2021

1 answer

5 votes

190k views

Evaluate: . C=4x? rind the value of c- given thatx = 16 pour

asked Jan 5, 2021

1 answer

5 votes

16.5k views

PLEASE HELP ASAP!!!!!!!!!!! Is this statement true or false? A type of image you can use in your document is called clip art. true false

asked Jan 1, 2021

2 answers

2 votes

184k views

What are the effects of nature versus nurture?

asked Apr 19, 2020

1 answer

5 votes

215k views

What's a word that means, "Someone who alerts others in an emergency or alerting in general,"? I thought, 'alerter,' was a real word lol.

asked Feb 18, 2020

1 answer

4 votes

45.3k views

Researchers hypothesized that stress was a risk factor for depression among college students. the correlation between stress and depression that they found in their cross-sectional study was consistent

asked Sep 15, 2019

1 answer

0 votes

89.1k views

Need help with a math problem showing the break down 2+10=4+? Help please no have two more I can figure it out

asked Aug 8, 2019

1 answer

1 vote

23.4k views

Please help!!!! Math question

asked May 9, 2019

1 answer

0 votes

74.1k views

What tool of the presidency did Johnson use to try to stop Congress’s stricter plan for Reconstruction? amnesty right to sign treaties the veto martial law

asked Apr 14, 2019

1 answer

4 votes

32.3k views

You are a pelican searching for fish in the ocean from high in the sky. although you see no tasty fish in the open ocean, you soon pass over a series of protected lagoons around an island. each lagoon

asked Dec 3, 2018

1 answer

5 votes

225k views

A bag contains a mixture of copper and lead BBs. The average density of the BBs is 9.60g/cm3.Assuming that the copper and lead are pure, determine the relative amounts of each kind of BB. Express your

asked Nov 3, 2018

2 answers

2 votes

141k views

The development of the __________ prevents plants from drying out and protects them from microbes.

asked Jul 12, 2018

1 answer

1 vote

122k views

The product of two rational numbers

asked May 4, 2018

1 answer

4 votes

124k views

The 1911 revolution in China ended the rule of the _____. Qing Ming Mongols Song

asked Jul 11, 2017

1 answer

2 votes

52.2k views

Which number is a factor of 20 but not a multiple of four

asked Jun 25, 2017

2 answers

1 vote

164k views

Two strings of equal length are stretched out with equal tension. The second string is four times as massive as the first string. If a wave travels down the first string with velocity v , how fast does

asked Mar 13, 2015

1 answer

0 votes

138k views

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