This chart shows four atoms, labeled W, X, Y, and Z. These
atoms can combine with each other to form molecules.
Which atoms could join together to form a molecule of an
element?
Atom
W
X
Element
oxygen
hydrogen
carbon
oxygen
Wand X
X and Y
W and Z
Y and Z

Which represents a negative impact of technology

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

What is the primary function of the nervous system?