Describe how you could show by adding aqueous sodium hydroxide and aqueous ammonia that a solution contained zinc ions. Result with sodium hydroxide
Excess sodium hydroxide
Result with aqueous ammonia
Excess aqueous ammonia

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In pea plants, the allele for tallness (t) is dominant to the allele for shortness (t). in the cross between a tall pea plant and a short pea plant shown below, what is the probability that the resulting offspring will be tall? whats the percent

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?