plastic.......................
The correct answer is : Non-native species is the example that affects biodiversity.
These species can be an agent of unacceptable economic, biological or social aftermath.
However, these species still provides in the regional biodiversity like biotic interactions and species richness and ecosystem services.
Uracil is the nitrogenous base found in RNA but not in DNA.
Answer: The correct answer is D) Point.
Point is represented by a dot, which has no width, length or height.
On the other hand, angle is a figure formed with the help of two rays, which share a common end point.
Line is a segment, which consists of two end points whereas ray is a part of line having only one end point. Therefore, angle, line, and ray all three have width or length.
Thus, the correct option is Point.