Biotechnology can be used to transform bacteria so they are able to make human proteins, such as insulin. It can also be used to create transgenic crops, such as crops that yield more food or resist insect pests. (I copied this off the web so just paraphrase)
The dog's reflection on the water's surface is because of light rays reflecting off the dog and onto the water to create a mirror image.
Answer:
°The process of photosynthesis is a physical change
The binding of a cell<span> to another </span>cell<span>, or a cell to a </span>surface<span>, via specific </span><span>cell adhesion molecules</span>
