Ilake ecosystem the atmospheric sciences component of the environmental science might deal with
a- air pollution
b- study of lake organisms
c- study of chemicals dissolved in the lake
d- study of the impact of surface runoff

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

How do antiviral drugs work? in your own words.

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent