Explain the methods used by plants to encourage cross-pollination?

Following are the methods used by plants to encourage cross-pollination.

1) Wind: Wind is the agent through which pollen grains of the flower flew in the air and falls on the stigma of another flower.

2) Bees: Bees are also called pollinators because they help in the transfer of pollens from one flower to another flower and causes cross pollination.

3) Water: There are some plants in which cross pollination occurs through water. Pollens drop into the water and transported to another flower through water flow.

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

the answer is b.) hydrogen bonds between bases.