What happens when an atom loses an electron from its outermost shell?
a. it becomes a positive ion.
b. it becomes an isotope.
c. it bonds with another atom.
d. it becomes a negative ion.

She planned to observe the flowers for the next five days for an hour at the same time each afternoon. then she wou the data in a multiple line graph to compare the number of bees that visited each flower. which statement best descr data in this investigation?

What feature of cell theory is best demonstrated in the image

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment