23. Which of the following paired organelles are membrane bounded? A. Ribosomes and peroxisomes B. Chloroplasts and ribosomes c. Mitochondria and ribosomes D. Chloroplast and mitochondria​

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

Construct at least two possible hypotheses for the student’s experiment.