Charles Darwin And Jean Lamarck both had very different ideas about how organisms changed. look at the image below and discuss how both scientist would have explained evolution of the giraffes long neck.

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation:

answer; polycythemia is the correct answer;

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.

i believe it would be c: tons.