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There is more traffic between 8 and 9 in the morning because most people start work at 9. This would be a(n) ________. A) observation B) hypothesis C) experiment D) theory E) all the above

The energy stored in the chemical bonds of a molecule is ________. A) specific heat B) kinetic energy C) potential energy D) work E) a calorie

Which of the following is a unit of mass? A) milliliter B) centimeter C) kilogram D) Celsius E) meter

The number of neutrons in an atom is equal to the ________. A) atomic number B) mass number C) mass number + the atomic number D) mass number – the atomic number E) number of protons

Mercury has a density of 13.6 g/mL. How many milliliters of mercury have a mass of 0.35 kg? A) 0.0257 mL B) 0.026 mL C) 25.7 mL D) 26 mL E) 4760 mL

The synthesis of the growing chain of DNA is carried out by adding nucleotides to the ___ end.

Germanium is an example of a(n) ________. A) metalloid B) alkali metal C) nonmetal D) noble gas E) transition element

Before cell division of somatic cells, each homologue replicates into two parts. These parts are connected by a centromere and are called

Which of the following is the smallest unit? A) gram B) milligram C) kilogram D) decigram E) microgram

  (i)    Find the moment Mx = [answer1] (ii)   Find the moment My = [answer2] (iii)  Find the total mass m = [answer3] (iv)  Find the center of mass   = ( [answer4] ). Round your answers to two decimal places. Answer (iv) by using a comma then a single space to separate answers.