Which came first, the chicken or the egg? a. the egg, because the amniotic egg evolved well before the first bird. b. the egg, because the chicken is not a real species. c. the chicken, because during speciation the adult stage always precedes the juvenile stage. d. the chicken, because the amniotic egg did not evolve until after the first chicken appeared. e. the egg, because the chicken had to cross the road to sit on it?

Question 17 (1 point) where does penicillin come from? a. it is a chemical that man invented b. it is a fungus c. it is a toxin made by other bacteria d. it was discovered in archaebacteria

What statement about energy is true

Solar energy causes water to evaporate into the atmosphere. how does that water vapor become a cloud? a) as the water vapor goes higher in the sky, the air gets cooler. the cooler air causes the water vapor to condense. b) as the water vapor goes higher in the sky, solar energy causes it to condense around particles of dust. c) as the water vapor goes higher in the sky, the air gets warmer and the water vapor begins to condense. d) as the water vapor goes high into the atmosphere it turns to ice and that's what forms clouds.