*PLEASE ANSWER, I WILL MARK BRAINLIEST, NEED HELP* Choose the conditions that have no cure. (Check all that apply)
peptic ulcers
Myasthenia gravis
Bell's palsy
rheumatoid arthritis

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.

As a result of climate change earths temperature is rising and sea ice is melting what is a likely effect? answer : populations of walruses and polar bears will decline

The function of the ciliary escalator is to