Science

What scientist discovered that sunspots occur in an eleven-year cycle?

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Which planet has Phobos as a moon?
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Mariner IV sent the first pictures of which planet back to earth?
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A hurricane with winds between 110-130 miles per hour is considered what category storm?
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What are produced in the anther of a flower?
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Where is the world’s most active volcano located?
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What is it called when the Earth, Sun and Moon lie in a straight-line configuration?
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The definition of "process of removing salts from water using a membrane" best fits which science term?
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Which is the virus that causes stunted growth and brown patches on tobacco plants?
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