Which type of bond is responsible for holding two water molecules together, creating the properties of water?
A. hydrogen
B. polar
C. double covalent
D. ionic
E. covalent
Answer: A
You might also like to view...
Answer the following statements true (T) or false (F)
1. Animal biomass exceeds plant biomass in most ecosystems. 2. The amount of CO2 in the atmosphere is stable over a period of one year. 3. Insect densities tend to decrease in elevated CO2, all other factors being equal. 4. Biomagnification results in an increased concentration of bioaccumulated chemicals as one moves from upper to lower trophic levels.
Which of the following obtain energy from
light and carbon from organic sources?
a. photoautotrophs b. chemoautotrophs c. photoheterotrophs d. photoautotrophs e. more than one of these
An important advantage of sexual reproduction is related to _____
a. increasing production of offspring b. avoiding predators c. avoiding harmful mutations d. producing offspring identical to the parents e. having two sexes
All of the following are components of nonspecific immunity EXCEPT
A. complement. B. B cells. C. skin. D. lysozyme. E. phagocytes.