During which geologic era was there widespread laying down of sediments which later formed coal deposits? Mesozoic Cenozoic Paleozoic Cambrian

Where does the organic material in soil originate

Which of the following is the study of the independence of all living things and their environment?

Deep ocean vents, african wildlife, and arctic glaciers are all part of the

What kind of inheritance does skin colour represent? A. Sex-linked (X-linked) B. Multiple alleles C. Systemic D. Polygenic

Using a parental dna strand as a template, a new dna strand is synthesized by a. a replication fork. b. an endonuclease. c. dna polymerase. d. dna ligase.

What do the salary glands the pancreas and the stomach have in common

Which of the following statements is true? Tsunamis happen when backwash is stronger than swash. Mudflows are the slowest form of slope failure. Weathering is the movement of sediment from one location to another.

Where is a proton located in the atom?

List the ways in which tadpoles turn to frogs

How do oxbow lakes form