Calculate the density of the tridax using the following data Frequency of tridax =53
Number of tosses= 100
area of quadrat = 1m^2
if the area of the land is 120m by 140m.​

What kind of seafood would you expect to have the highest levels of mercury and why? kelp, because they use the sun to photosynthesize on the bottom trophic level. oysters, because they filter feed on plankton on a lower trophic level. small fish, because they eat plankton on a higher trophic level. sharks, because they feed on organisms on a higher trophic level.

If a robot fixed another robot is it a engineer or doctor?

Long term exposure to waves can cause sunburns and skin cancer.