Ions are atoms which have a missing electron or an extra one. This is what gives the ion its positive or negative electrical charge. Isotopes are atoms which contain a different number of neutrons.
Urochordata is another invertebrate other than hagfish.
When scientists measure, they use the metric system.
C waning crescent and waxing crescent
Answer: 50%
Explanation: In certain rose plants, white roses and red roses are incompletely dominant to one another. When a red rose is crossed with a white rose, a pink rose will result. What is the probability of producing more pink roses from two pink parents?