When baking soda is mixed with lemon juice, bubbles are formed with the evolution of a gas. What type
of change is it? Explain.​

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

Which of the following typically characterizes a tropical rainforests