Which of the following is not a fossil?

worm burrow tube from 400 million yeas ago

deer tracks left in wet mud this morning

marine shell that is 1 million years old

all of the above are fossils

Why do the sun appears to move in the sky which causes night and day

If a person has a deviated septum, what 2 bones could possibly be deformed?

The single most important factor contributing to the modern-day extinction of hundreds of species on earth is? A) acid rain B) invasive species C) greenhouse effect D) habitat destruction

List the predators and prey the following diagram foxes Wolves bison Parie dogs and parties grass Predator one predator to pray one pray to

How much water does a whole big tree contain?

Ryan accidentally drops a very heavy object on his foot. In a matter of just a few seconds, he feels a tremendous amount of pain. He experienced the pain quickly because neurons rapidly carries the impulse to the brain.

What r 5 main reasons for getting a nosebleed

How does mccandless compared with the other wanderers?

If an individual inherits two of the same alleles, either both recessive or both dominant for a particular trait, the inherited genotype is what

What aspects of abundance do population density and population size measure, respectively?