Which carbon isotope has 6 electrons, 6 protons, and 7 neutrons?
a. nonradioactive 12c
b. nonradioactive 13c
c. radioactive 14c

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

Which is a genetic engineering advancement directly related to a career in biotechnology? 1) improving solar energy collection 2) transporting textiles at higher rates 3)creating crop foods that resist insect pests 4)repairing historical sites with quality materials

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse