Questions by Arbelac

Questions by Arbelac

In lightning , light is seen first and sound is heard later it is due to 1)optical illusion 2) variation in temperature 3) position of observer 4) difference of velocities of light and sound

asked Apr 24, 2021

2 answers

3 votes

106k views

If there is a technological advance that lowers the cost of producing x-ray machines, then we can say that the

asked Feb 14, 2021

1 answer

2 votes

71.3k views

4. 200 mL of a 5.6M solution to BaCl_2 have 750 mL of water added to it. What is the new concentration? 14. The gas laws can also be expressed graphically. Sketch the following plots for an ideal gas.

asked Oct 18, 2020

1 answer

5 votes

9.5k views

Which of the following countries will be better off in the long run? A. Country A with $1 comma 000 annual GDP per capita and a 6 percent annual growth rate. B. Country B with $5 comma 000 annual GDP

asked Apr 6, 2020

1 answer

4 votes

41.9k views

A force of 99N causes a box with accelerate at a rate of 11 M/S squared. What is the mass of the box

asked Jun 15, 2019

1 answer

2 votes

44.8k views

Which phrase best describes the geographic location of the mayan civilization?

asked May 24, 2019

1 answer

5 votes

211k views

What was the revolution in atomic theory produced by the discovery of the electron? The atom was divisible. The atom was comprised of particles. The atom was one unit. Each atom was unique.

asked Nov 23, 2018

2 answers

0 votes

132k views

How do you evaporation and boiling differ?

asked Sep 21, 2018

2 answers

3 votes

144k views

____ reaction time involves selecting a specific and correct response from several choices when presented with several different stimuli.

asked Sep 17, 2018

1 answer

5 votes

128k views

How did the Paleo – Indians adapt after the Ice Age ended? Select all that apply. A) Paleo-Indians formed permanent settlements, remaining in one place throughout the year. B) Paleo-Indians didn't change

asked Mar 3, 2018

2 answers

4 votes

66.2k views

What is 4.293 in expanded form

asked Jun 28, 2016

2 answers

5 votes

102k views

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