1) C
A population has to be isolated for speciation
2) D
Different species are incapable of reproducing with one another
3) D
When a population is contained, the recessive alleles can become dominant within the population
1. Almost 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium.
2. The four most abundant elements in the human body – hydrogen, oxygen, carbon and nitrogen – account for more than 99 per cent of the atoms inside you.
A filter is a device that can reduce particulate in gaseous emissions from mobile exhausts. Specifically known as diesel particulate filter (DPF) removes soot from gasses of the diesel engine through the exhaust. It significantly reduces the amount of pollutants present in the air.
Answer:
Omnivores
Explanation:
Humans have canine teeth and molars. Canine teeth are used to rip apart meat this is why you see other animals like wolfs and lions have really sharp teeth. Molars help grind down and chew plants, in our case fruits and vegetables. Since humans eat both meat and vegetables we are omnivores.
