Questions and answers by

cuhh

Questions (11)

Use the spectrum readings from the sun (upper) and a star (lower) to answer the question.An illustration shows the spectrum
1. 1 answer
2. 23 views
Which ideas describe the big crunch?(1 point)Responses After the universe reaches its expansion limit, gravity will pull it all
1. 1 answer
2. 14 views
What triggered the cyclic model of the origin of the universe?(1 point)Responses Some scientists found that the amount of
1. 1 answer
2. 12 views
Which of the following transition words signals cause-and-effect?(1 point)Responses as a result as a result however however
1. 1 answer
2. 6 views
Which statement is true about transitions?(1 point)Responses Transitions are found at the end of sentences. Transitions are
1. 1 answer
2. 8 views
Platelets and red blood cells are components of the blood. A typical platelet and red blood cell have diameters of approximately
1. 1 answer
2. 7 views
The size of a hydrogen atom is about 1.2×10−10 m across. The size of an oxygen atom is 0.000000000152 m across. What is the
1. 1 answer
2. 12 views
The U.S. national debt was $2.9617×1013 in 2021 and $3.98×1011 in 1971. Find how much the debt increased in the 50-year
1. 2 answers
2. 20 views
A mobile phone holds 1.28×10^11bytes of storage. You can also pay more money to get an additional 384,000,000,000 bytes. How
1. 1 answer
2. 8 views
The half-life of uranium-235 is 700,000,000 years. The half-life of uranium-238 is 4.463×10^11years longer. What is the
1. 1 answer
2. 15 views
The XYZ Affair outraged many Americans. What was President John Adams’s initial stance on how to handle the issue? Select all
1. 1 answer
2. 10 views