Kill spiders the first application to 78% of the spiders two months later she applied to press the side again but only kill 45% of spiders what would best explain the decrease in effectiveness of the pesticide?

The soviet union beat the us to the first successful launch, with the october 4, 1957, orbiting of sputnik 1, and later beat the us to have the first human in earth orbit, yuri gagarin, on april 12, 1961. the "race" peaked with the july 20, 1969, us landing of the first humans on the moon with apollo 11

Control variable- changedependant variable- stays the samechanging- food itemsdependant- presences of proteins

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