How are individual atoms of oxygen formed in the stratosphere? a Individual oxygen atoms are formed when oxygen molecules collide with each other.
b. Individual oxygen atoms are formed in the sun.
C. Individual oxygen atoms are formed during photosynthesis.
d. Individual oxygen atoms are formed when UV rays strike oxygen molecules.

10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!

Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. a) reforestation would not benefit many species because most forest species live on the ground. b) reforestation would take the longest time to be effective because trees take several years to grow. c) biological augmentation would benefit only a few species because is is typically not very effective. d) biological augmentation would take less time to ve effective because it targets the majority of prey species.

Most short-period comets do not have randomly oriented orbits because