Answer:
Parabolic dunes
Explanation:
A parabolic dune is a U-shaped mound of sand. The tips point upwind because they are anchored by vegetation.
A is wrong. The tips of a barchan dune point downwind
C is wrong. A longitudinal dune is parallel to the prevailing wind.
D is wrong. The ridge of a transverse dune is perpendicular to the prevailing wind.
Answer:
floor rocks were also symmetrical on both sides of the ridge, with the youngest rocks near the center and the oldest rocks farther away. This suggests that new rocks form at the center of ridges and then move away in the opposite directions.
Explanation:
Basically ligaments connect and tendons bridge
In science, models refers to the representation of an idea, an object or a process which is used to describe and explain phenomenon which can not be directly experienced or observed.
Scientific thinking refers to the scientific way of unraveling mysteries that abound in our world by using observation, reasoning and repeated testing.
In scientific thinking, models help scientists to crystallize their idea and predict or offer explanation for observed phenomenon.
Answer:
B. a doubling of the chromosome number in every generation.
Explanation:
If meiosis did NOT occur during the formation of gametes, sexual reproduction would result in, a doubling of the chromosome number in every generation.