Answer:
D
Explanation:
most of the world’s dirty water is cleaned by humans using various methods
The importance of fat in the diets of our ancestors was mainly a result of its energy-storing properties.
Option B
Explanation:
Earlier ancestors or say, hominids ancestor were at the inception of the evolutionary world developed a trend on eating whatever they could find. The ancestors are believed to be scavengers rather than hunters as the evolutionary and nutrition biology suggests.
They had to travel and work for the food and as they were scavengers, it was not guaranteed to have food on a daily basis, so the fat has energy storing properties and for which its importance was realized in the diet. Later when they became hunters, protein became more important in their diet.
A limit on certain fishes (ex: limit 100 fish per person, has to between 3-5 in, these are just examples)
protection of habitats
protection of certain species (if caught, must return, cannot keep, endangered species)
hope this helps
In a sperm cell and for females it’s the egg cell
