Which particle is used to determine the atomic number of an element? a) electron b) neutron c) proton d) soutron

The symptoms that shelly is experiencing result from the interactions between streptococcus pyogenes (a prokaryote) and the cells (eukaryotes) within shelley's body. although there are similarities between these two types of cells, there are also important differences.

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?