The society of automotive engineers has established an accepted numerical scale to measure the viscosity of motor oil. For example, sae 40 motor oil has a higher viscosity than an sae 10 oil. Rank the following hydrocarbons by their expected viscosity.

Students who cannot afford to pay the fee for the profile may be granted an automatic: a. scholarhship b. waiver c. fee d. loan

Which of these terms are associated with communication between neurons? chemical signals, electrical signals, synapse chemical signals, synapse, neurotransmitters synapse, electrical signals, chemical signals synapse, electrical signals, neurotransmitters

Which statements about the two fossil images are correct? 1. cave bears are ancestors of plateosaurus. 2. plateosaurus were present on earth before ostracoderms. 3. ostracoderms were the first to die. 4. plateosaurus died after the ostracoderms. 5. cave bears are the oldest fossils.