Two technicians are discussing a stepped ECT circuit. Technician A says that the sensor used for a stepped circuit is different from the one used in a non-stepped circuit. Technician B says that a stepped ECT circuit uses different internal resistance inside the PCM. Who is right?

Types of scientific inquiry that biologist engage in that cannot be completely controlled

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere

Which chemical bond most likely stores the most energy? o a. double carbon-carbon bond o b. single carbon-carbon bond o c. hydrogen-oxygen bond o d. sodium-chlorine bond