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I am doing a science worksheet and need help.?

1. how is uv radiation different on mars as compared to earth?
2. what are harmful effects of uv radiation?
3.what do we need to protect ourselfs from uv radiation on mars?
4.how do the pulse and blood pressure of astronauts change when they are in space?
5. list three insects that would be beneficial to plants in a greenhouse. then list three insects that would be harmful.

i am so stuck HELP ME!

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5 Responses to “I am doing a science worksheet and need help.?”

  1. eri says:

    1) This one has to do with how much of an atmosphere Mars has relative to Earth.

    2) Look up the wikipedia article on UV radiation. Or think about why you wear sunblock at the beach.

    3) See above.

  2. Kt P says:

    haha kelsey. mrs. fuji wouldnt be too happy with u!

  3. SnowBunny says:

    1-because there is no ozone layer on mars the uv rays are much stronger
    2- dont remember..>.< 3-tainted lense , since u cant decrectly look at the sun from mars
    4- depending on the gravity like if there is less gravity there is less pressure holding ur blood vessels together and so they expand and increas the blood flow
    5-
    good- lady bugs.. umm not to sure
    bad- locusts, ants and snails

    hope this helps :)

  4. Ryn K says:

    yeah kelsey! shame on u! I was about to ask the same things

  5. Becky H says:

    omg like everyone is using this website!

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