Aparticular exosolar system has five planets in total: a, b,c, d, and e. the table lists the orbital periods of these planets in days

Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.

How many species of living things are alive on earth today? more than 1,000,000 none of these answers are correct 100-500 1,000 –500,000 o 500,000 -1,000,000

Building glycogen from glucose molecules is an example of what