During summer in the northern hemisphere,
a.
the sun rises in the southeast and sets in the southwest.
b.
there are fewer hours of visible sunlight each day than during other seasons.
c.
the sun rises earlier and sets later than during other seasons.
d.
the sun appears lower in the sky than during other seasons.

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations

What is the process by which biological parents pass traits such as hair type or eye color to their children