MULTIPLE CHOICE
WILL GIVE BRAINLIEST TO FAST AND GOOD/CORRECT RESPONSE

A scientist is studying a rock layer that predominantly contains fossils of very large reptiles. A few small mammals and birds are also present. The rock layer directly above the rock layer that the scientist is studying has almost no reptilian fossils at all, and those that are present are much smaller. The rock layer that the scientist is studying is most likely from which of the following eras?

A. Archean
B. Cenozoic
C. Paleozoic
D. Mesozoic

Select the correct answer.which scenario describes unethical lab behavior? o a. danny stores the chemicals required for his experiment in flasks and beakers.b.anna publishes the results of her experiment on the growth rate of saplings.c.jason repeatedly runs an experiment until he gets the results he desires.d. mia records her observations of an experiment precisely and accurately.

4.06 hc)a five-year review of threats to the southern resident orca population of the united states concluded that the top threats were prey availability, contaminants, and effects from recreational and whale watching vessels. further down the list are oil spills, disease, and effects from commercial vessels not targeting whales. how might this list be different if it were for transient whale populations, which have a larger average population size and live farther offshore in open waters? a)the transient population is more likely to be affected by contaminants. b)the transient population is less likely to be affected by whale watching vessels. c)the transient population is more likely to be affected by disease. d)the transient population is less likely to be affected by prey availability.

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box