Klinefelter's syndrome is a result of which of the following
nondisjunction mutations?
A. deletion of chromosome 5
B. only an X chromosome
C. two X chromosomes and a Y
D. three copies of the 21st chromosome

No that answer is wrong. you have written the function of mitochondria in chloroplast and function of chloroplast in mitochondria.

Size and shape of continents

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.

We can use solar powered cars or ride bikes instead of cars that burn fossil fuels