Answer:
XY, XY, XY, XY, XX, XX, XX because the male gamete is Y, meaning 4 of these kittens are male, and 3 are female because they lack a Y gamete.
Explanation:
Answer:
smog
Explanation:
Photochemical smog is a mixture of pollutants that are formed when nitrogen oxides and volatile organic compounds (VOCs) react to sunlight, creating a brown haze above cities.
It operates inside the Sun and stars of similar mass. & The proton-proton chain reaction involves the fusion of two hydrogen atoms. the similar hydrogen nuclei and fuses are combined to form the larger helium nucleus. Nuclear fission takes a larger nucleus and splits it into smaller nuclei.
Annual plants live for just one year.
hope this helped :)