Mercury Barometer doesnt measure air pressure
Answer:
Answer is D.Produce non-identical genetically different gametes and reduction of chromosomes,creating a haploid gamete.
Explanation:
Meiosis is essential for sexual reproduction.In humans diploid gamete-mother cells or germ line undergo meiosis to produce haploid gametes.
The chromosomes pairs of each parent undergo crossing over during meiosis.so daughter cells i.e gametes have genetic variations.When gametes fuse and form zygote ,its genetic make up is different from both parents.thus meiosis allows a species to bring variations in next generations.Benenficial variations help organisms to adapt to the changes in environment.
Answer:
Next gerenation suffering from various diseases due to air pollution. it increases diseases like cancer.
Answer:
it becomes a positive ion
Explanation:
that is because when it loses an electron, then it has one more proton in comparison with the total number of electrons making it a positive ion
