20 points!
A the rock tumbled in a river
B fire burnt the rock
C mud covered the rock
D the rock melted in a volcano

Aboy with an extra x chromosome probably has which of the following syndromes?

What molecule does hemoglobin decay into over time

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.