I honestly think it would be A.
Answer:
The resolving power of an objective lens is measured by its ability to differentiate two lines or points in an object. The greater the resolving power, the smaller the minimum distance between two lines or points that can still be distinguished. The larger the N.A., the higher the resolving power.
Explanation:
Answer:
The correct answer is option c. "old layers of xylem and phloem".
Explanation:
Wood is one important good used for construction obtained from the main substance of the outer layer of the trunk or branches of a tree. Biologically, the outer layer of the trunk of a tree is comprised of the old layers of xylem and phloem, which are dead cells that were part of the heartwood or the centre of the tree. These old layers of xylem and phloem form the outer bark structure of the tree.
The right answer is internal thermoreceptors
The olfactory receptor adapts to the external environment in which we are, for example, when we put perfume on ourselves, we feel it at the beginning and then we do not smell it anymore.
External thermoreceptors such as those located in the hand adapt to the temperature to which it is in contact. When we put our hands on a cold object we just feel it at the beginning.
The good example to explain the non-adaptability of the internal thermoreceptors is when you have a fever, for several days you have this sensation of heat inside our body. It disappears only when the temperature drops
