Answer: Light
Explanation: Light can travel in empty space or vacuum. It doesn't need any medium to which it travels.
Condensation occurs when the air molecules turn into liquid. for example the "wet" on a soda can. Or the 'wet' on your mirror once you shower
Answer:
Charles Darwin was a naturalist from the 1800's. He developed the theory of natural selection which became the foundation of modern evolutionary studies. Natural selection is the survival and reproduction of individuals and how they adapt.
An organism? There is nothing past organ systems
Answer: Meselson & Stahl reasoned that these experiments showed that DNA replication was semi-conservative: the DNA strands separate and each makes a copy of itself, so that each daughter molecule comprises one "old" and one "new" strand. The semi-conservative model, in which each strand of DNA serves as a template to make a new, complementary strand, seemed most likely based on DNA's structure. ... From the patterns of DNA labeling they saw, Meselson and Stahl confirmed that DNA is replicated semi-conservatively.
Explanation:
