1. The Hertzsprung-Russell diagram below shows how the brightness, surface temperature, and color of stars are related. Which of these
observations of Barnard's Star is most likely accurate?
( my answer is wrong I click it in accident)

What element is able to combine with itself and hydrogen to form large molecules ?

Color blindedness is a sex-linked trait. if we could see the pedigree chart for several more generations of the family illustrated here, we would expect a) more males to be color blind. eliminate b) more females to be color blind. c) no females to ever be color blind. d) an equal number of males and females that are color blind.

As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.