An atom of phosphorus has an atomic number of 15 and a mass number of 31. How many neutrons does it contain

Which of the rock examples below is most likely to be metamorphic

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.

2. which is the last step in the scientific method?