Answer:
A natural ecosystem has a diverse amount of species and plants, whereas artificial ecosystems are limited.
Explanation:
Natural ecosystems are self-sustaining and result from spontaneous natural reaction, while artificial ecosystems require the assistance of humans.
Genotype:
BB:25%
BW 50%
WW:25%
Phenotype:
Black: 25%
Blue: 50%
White: 25%
Answer:
Thermal energy is basically heat and we need it because without heat we would not have any warm feelings in our houses and stuff...
Explanation:
Pulmonary artery carry deoxygenated blood while are there arteries carry oxygenated blood.
pulmonary vein carries oxygenated blood while the other veins carry deoxygenated blood
C. His hands and the customers cup have germs and would contaminate the ice. A glass is to a good idea either because if it breaks you can’t use any of the ice.