A current In fluid that results from convection.
hope it helped! :)
Science equals art they are the same thing both science and art are humans attempts to understand and describe the world about usThe subject and message her different directions intended audiences are different but I think the motivations and goals are fundamentally the same
Answer:
We can tell that extinctions have occurred in the past by looking at fossils in layers of sediments. If the amount of fossils found match you can infer that they are the same organism and they are extinct. If you can't match up the bones with any animal today.
Hope this Helps!
d. They can be concentrated in an organism’s fat tissues.
This is referred to as biomagnification -- the POPs become more concentrated as they move from one animal to another. This is a main concern because even trace amounts, in animals at the bottom of the food chain, can cause toxicity to animals at the top of the food chain.
