A train travels 210km in 3 hours 45 minutes. what is the average speed in kilometers per hour?

The structure of DNA's bases are held together by what type of chemical bond?

Evolutionary change has linked all forms of life to a

Which of these muscles produces lateral rotation at the hip?

Without crossing over: A. cells could not complete meiosis. B. meiosis could not produce haploid gametes. C. only a small number of unique gametes could be produced by a single individual. D. genetic recombination could not occur.

Long line fishing and drift nets are hazardous to fish and other marine animals.

Terry has recently been diagnosed with an inherited form of depression. which of the flowing is the most likely cause or the depression? a. Terry has a mutation in the enzyme involved in NE synthesis b.

What makes water a polar molecule? Choose 1 answer: It has fully positive and negative charges. It contains ionic bonds. C) It is able to dissolve nonpolar substances. It contains partial positive and negative charges.

What characteristics are common in all mammals?

What is the function of the nucleolus? *Subject was not below, but the subject is science.

Which antiparkinson drug causes an increase in the levels of dopaminergic stimulation in the central nervous system and therefore allows a decreased dose of other medications?