Entries by Hannah Wangui

radioactive dating methods

Question Regarding radioactive dating methods, what are the three requirements that must be met for an accurate age to be determined? Which of the three requirements is problematic and why?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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the ice age

Question a clue that may indicate the timing of the ice age is found by studying the   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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How can solar flares affect Earth?

Question How can solar flares affect Earth? a. They are created by reconnection events when two arches on the Sun’s surface cancel each other, so they do not affect Earth significantly. b. They emit large amount of X-rays and ultraviolet radiation that travel to Earth and increase the ionization of Earth’s upper atmosphere. Flares also […]

 

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Why does the Doppler effect detect only radial velocity?

Question Why does the Doppler effect detect only radial velocity? a. Only objects moving directly toward or away from the observer can emit waves that can be detected. b. For objects moving perpendicular to the line of sight, the wavelength shift can be measured only with a great error. c. In space all bodies either […]

 

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