8. How is penicillin used? O to make cheese
O to kill protists that cause disease
O to kill bacteria that cause disease
O to make bread rise

Imagine a rocket launching from earth and travelling to the moon. in which order would the rocket pass through the layers of the atmosphere? thermosphere, mesosphere, stratosphere, troposphere troposphere, mesosphere, stratosphere, troposphere thermosphere, stratosphere, mesosphere, troposphere troposphere, stratosphere, mesosphere, thermosphere

What did hunter gathers do to alter the environment?

All ova contain sex chromosomes corresponding to: x y xx xy