Which of these is an example of mutualism A. Cattle egret eats the exposed insects as the cattle graze
B. Honeybee pollinates a flower while gathering nectar
C. Tick gains nourishment by sucking blood from a dog.
D. Two bucks fight to gain territory and to gain a mate.

B. Honeybee pollinates a flower while gathering nectar.

Explanation:

Mutualism is the idea that both organisms benefit from an interaction. In example B, the honeybee benefits because they receive nectar, while the flower benefits in being pollinated.

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation:

when the displaced particles are perpendicular to the direction the wave travels, is called a transverse wave, whereas in longitudinal wave the displace practices are parallel to the direction of the wave.

in the given image:

first image shows - longitudinal wave

second image shows - transverse wave

third image shows - longitudinal wave

fourth image shows - longitudinal wave