If a virus is trapped by mucus in the nose, it is usually
a- destroyed by lysozomes
b- destroyed in the stomach
c- absorbed
d- destroyed by mucus

Aperson who uses a computer at a desk does not have to worry about safety in the workplace. true or false

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.