Andre is studying snails and how fast they travel. he observes three groups of snails containing four snails each. here are the recorded observations from andre’s notebook: group a snails averaged a speed of 4.7cm/min in a petri dish. group b snails averaged a speed of 2.8 cm/min on sandpaper. group c snails averaged a speed of 3.3 cm/min in the dirt. based on this data, what is affecting the snails’ speed?

A10.0 kg cart and a 15kg cart are locked together with a compressed spring between them. they are then released so that the spring pushes the two carts apart. the 10.0 kg cart is moving at 4.5 m/s afterward. how fast is the 15kg cart moving? 3.0 m/s 2.0 m/s 4.5 m/s 5.0 m/s

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

Asubject in a clinical research trial experiences a serious, unanticipated adverse drug experience. how should the investigator proceed, with respect to the irb, after the discovery of the adverse event occurrence? a. do not report the adverse drug experience to the irb since it is a common adverse experience.b. report the adverse drug experience to the irb only if there are several other occurrences.c. report the adverse drug experience as part of the continuing review report.d. report the adverse drug experience in a timely manner, in keeping with the irb's policies and procedures, using the forms or the mechanism provided by the irb.