Answer:
1. There will be no High Cost of construction and maintenance.
2. Some designs of these sea walls might be unattractive.
3. natural processes can take place ... for eg. habitat migration.
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring
Answer:
1. Water transports other nutrients to cells, carries waste away, and aids digestion.
2. Iron and Calcium are the two main minerals that each individual needs.
3. Fish, meat, chicken, eggs, milk, and soy beans are great sources of protein.
4. Vitamins are essential for growth and health.
5. Carbohydrate are described as "brain food".
6. The three groups of fatty acids are saturated, monounsaturated, and polyunsaturated.
7. Water is key to all bodily functions.
8. Amino acids are considered to be the building blocks of our body tissue.
9. Simple carbohydrate foods provide calories, but not much else.
10. Complex carbohydrate foods provide calories and other nutrients.