3. How does genetic variation allow humans to survive long-term? Which type of reproduction is responsible for genetic variation?

Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)