Calcium Oxide is used in insecticides as an ionic bond. It's known as quicklime. CaO
Flourine reacting with ammonia will cause nitrogen is an example of a covalent bond.
Answer:
The horse has 64 number of chromosomes and the donkey has 62 number of chromosomes.
At the time of recombination the number of chromosomes which will be formed will be odd in number.
32 from horse and 31 from donkey which combines to form 63 pair. This is a odd number so there can be no equal number of segregation of chromosomes.
This is the fact the offspring produced by crossing a donkey and horse is sterile.
The deeper you go down in to the rock the older the fossils get. So when the scientists go in to the rock they can say what animals lived in that time and what animal was the oldest.
Answer:
As the thin filaments slide inward, structures called Z-discs come toward each other and the sarcomere shortens but the lengths of thick and thin filaments do not change. The sliding of the filaments and shortening of the sarcomere cause shortening of the whole muscle fiber and ultimately the entire muscle.
Explanation:
it is (A sexual ) as the sexual reproduction involve the fusion of gametes there is no fusion of gametes which requires two plant , there is only one which produces the other one ( I hope this might help you )