C) According to Lamarck, long necked giraffes evolved because they spent the majority of their time stretching their necks and this trait was passed down to offspring; according to Darwin, Giraffes with long necks had the advantage in the environment and survived, reproduced, and passed this trait on to offspring.
In higher altitudes, air pressure decreases allowing the air in the balloon to expand more. if it was fully inflated, then the balloon would burst
Scientists always look for patterns.
When analyzing data, this is essential to finding out important information.