1 is false, waves can't propagate in a vacuum.
Answer:
he was among the first propose its existance
Answer:
thansk sa points
Explanation:
pagpalain ka sana ng diyos
Answer:
natural selection operates primarily on characteristics that are tied to reproductive fitness.
Explanation:
Based on the information provided within the question it can be said that this is due to the fact that natural selection operates primarily on characteristics that are tied to reproductive fitness. In other words natural selection keeps those traits that allow the species to live long enough in order to reproduce but does not weed out many harmful conditions and non-adaptive characteristics if the species reaches reproductive age.
Becouse they didn’t want to join the military so they put stress on themm
