Fossil fuels are an important natural resource used by society. which of the following best describes fossil fuels?

a.

they are any liquid fuel derived from once-living matter.

b.

they are organic fuels derived from ancient plants and animals.

c.

they are fuels in which dinosaur fossils are commonly found.

d.

they are naturally occurring inorganic fuels like coal and petroleum.

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.

If 360 joules of work are needed to move and create a distance of 4 m what is the weight of the crate