El Nino happens when there is warmer water near the west coast of South America. Why do scientists collect information about air temperatures in order to help them predict El Nino and La Nina?

The body is protected against harmful flu viruses by

How do you transfer mrna into codons ? i'm so confused : (

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand