Which of the following is true of conifers?
A) Female cones produce pollen that fertilizes the egg.
B) Most coniferous trees have both male and female cones.
C) Male cones cannot produce pollen unless fertilized by the female cone.
D) Female cones produce pollen that is trapped by the male cones’ scales.

D

Explanation:

answer; i believe the answer is hydraulic action;

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called