Ionic bonds involve the gaining and losing of valence electrons between atoms, while covalent bonds involve the sharing of valence electrons between atoms
Answer: D
Explanation:
Because the heavy plow and its traction team was expensive tool and individual peasant farmers were not able to own it, it brought collective ownership and patterns of communal agriculture and communal animal husbandry.
The heavy plough required more energy to pull this resulted several families coming together to pool their oxen to form a team large and strong enough to pull the heavy plow. The resulting “ox-gangs” became an important social group.
Answer:
The number of chromosomes in sex cell must be haploid (1n) as compared to body cell which is diploid(2n).
Explanation:
Body cells are diploid while the sex cells are haploid. We can say that sex cells contain half number of chromosomes as compared to body cells.
Melting ice caps and glaciers
Gene therapy can improve the society by being able to treat a wide range of diseases, such as cancer, heart disease, etc.
<h3>What is Gene therapy?</h3>
A gene is referred to as the the basic physical and functional unit of heredity and is present in the DNA of living organisms. On the other hand gene therapy is the process in which there are changes made to the human genome in other to treat a disease or illness.
This is usually done by introducing a normal gene into an individual's genome in order to repair different types of mutation and has been effectively proven to have such type of property.
Gene therapy generally ensures that different types of sicknesses are successfully treated by the healthcare professionals thereby decreasing the mortality rate.
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