Look at the diagram above. Two balloons filled with freshwater have been placed into a tank of freshwater. Balloon A floats near the surface, and balloon B sinks to the bottom. What is true about balloon A? *

Aplant has an egg with 34 chromosomes how many chromosomes does a leaf cell of that plant have

*will mark brainliest to first correct answer* photosynthesis led to increasing levels during the later proterozoic eon? a. oxygen b. water c. carbon dioxide d. none of the above

Afarmer has applied a pesticide to control a pest population that is affecting her crops. the pest population has reacted as shown below. which best describes the process that the pest population has experienced due to this environmental change? a genetic diversity b natural selection c natural resistance d genetic resistance