Answer:
This statement is true. Wind is from hot air mixing with cool ground, vice-versa.
Climate change as been the most of the problem
The original cell is divided into two new cells
Answer:
The correct answer is option D) selective breeding.
Explanation:
Selective breeding is a process in which human selects a particular organisms for breeding purpose to avail a specific characteristics in the offspring which is present in the organisms that are used for breeding. For example, if a person wants a cow that produces high amount of milk so it can breed the local cow with male of high milk producing specie. So the calf which is formed have the characteristics of high milk producing specie.
The presence of hydrogen bond is one factor that explains the fact that ice floats over water because it has less density.
Due to this, rivers and lakes freeze from the surface whereas it is in liquid state at the bottom which allows the sea animals to survive even in colder temperatures.
Water makes up at least 70% of earth and 65% of our bodies and this property of water is essential for our lives as it maintains the survival.
