Pete is driving down 7th street. he drives 150 meters in 18 seconds. assuming he does not speed up or slow down, what is his speed in meters per second?

*will mark brainliest* certain species of are now recognized as indicators of environmental pollution. a. lichen b. mushroom c. yeast d. none of the above

Which direction does the energy flow in this energy pyramid ?

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons