I would say
a. biological pest control
biological pest control is when other plants or animals are used to control pests. There are no chemicals used only the natural roles of the environment.
Hope this helped!
Cohesion. Cohesion is the property of water that attracts other water molecules so they can stick together. Water is sticky because it has positive and negative charge in the oxygen and hydrogen ends that attracts one water molecule to another. Adhesion is also a property of water that attracts it from other substances, making it easy for water to travel upwards through transpiration.
The two contrasts between seagulls and wild geese are migration and their sizes. One way they are similar is that they can both fly for great distances. The other way is that they are similar is that are both very large in size. The correct answer is A.
Transcription, Translation, protein synthesis