Question 18 5.48 pts
In science we use very big and very small numbers. Scientists have developed units of
measurement which make the numbers easier to manage. For example, instead of saying that
the Sun is 93 million miles from the Earth, it is easier to say the Sun is one
from
the Earth. In science that is the unit of measure for the distance from the Sun to the Earth.
A) space unit b) light unit. C) planetary unit d) astronomical unit

Are produced in the light reactions and used in the calvin cycle. a)nadh and atp b)electrons and sugar c)nadt+ and adp d)sugar molecules

Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.

What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.