What property of an object is expressed by the measurement of an item's mass per unit volume?
A.
density
B.
surface tension
C.
buoyancy
D.
viscosity

Which of the following lines of evidence would best support your assertion that a particular plant is an angiosperm? a) it produces seeds. b) it retains its fertilized egg within its archaegonium. c) it lacks gametangia. d) it undergoes alternation of generations.

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

What is the compliment dna strand to the following sequence: ttgactaggcta