Which of the following could be true of two species that have a competitve ralationship in the same ecosystems me out a. the species preys on the other b. the relationship is mutually beneficial c. they shar the same niche d. one species benefits while the other nether nor harmed

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

Name the intersection of plane bpq and plane cpq.