Which statement summarizes water quality issues in china?
a) the government has appealed to other countries for .
b) the government says it is implementing new water quality standards.
c) water pollution is not an important issue now but might be later.
d) average citizens seem to think the water is ok.

What goes in and out of a cell respiration?

Monarch butterflies have brightly colored orange wings with black patterns on them, making them easily visible to birds that eat butterflies and moths, yet birds rarely eat the monarchs. likewise, the monarch caterpillars are brightly striped yellow and white and black, and they also are rarely eaten by birds, although some wasps will attack them and feed them to their young. what can be inferred from these observations? monarchs must threaten and attack birds, but not wasps. monarchs have a way of discouraging bird predation that does not involve hiding. monarchs’ wings are so colorful that most birds must find them difficult to eat. monarchs lay more eggs than other less conspicuous butterflies.

Which factors changed throughout the mice experiment