Which is an ion found in a glass of water?
A.) N+
B.) O2
C.) H+
D.) O-

Adrought killed all the plants in an agricultural farmland. gradually, due to wind and some birds for. nearby areas, new plants started sprouting l. what stage of succession was taking place in the farmland? a) competition b) nudation c) ecesis d) reaction e) migration

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome