A salt is formed during a reaction of sodium and chlorine ions. Which type of bonding occurred? a. hydrogen bond
b. Van der Waals forces
c. covalent bond
d. ionic bond

Which of these is a major trend in land plant evolution? a) the trend toward smaller size b) the trend toward a gametophyte-dominated life cycle c) the trend toward a sporophyte-dominated life cycle d) the trend toward larger gametophytes

Which statement describe events that occur during interphase?

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?