The correct answer is the last option: all of the above. The ethical concerns regarding genetic engineering are the privacy of the genetically tested individuals, the unnatural and potentially dangerous organisms being created, and the long-term effects of genetically engineered foods.
Isotonic cells stay the same hypertonic the cells shrink and hypotonic the cells grow or swell
Answer:
D. 4
Explanation:
Reflection can be defined as a phenomenon which typically involves a change in the direction of a ray of light or waves as it falls on a smooth surface.
Simply stated, reflection occurs when a ray of light or wavefronts bounces off a smooth surface.
From the diagram provided above, the thin beam of light which illustrates reflection is the fourth because as it hit the surface, it bounced back to the medium from which it was originally propagated with.
<span>Ice is less dense than liquid water because it has less mass per unit of volume. Temperature wouldn't have an effect. </span>