1. Two separate individuals are combined together
Answer:
c. Scientific models are never subject to change
Explanation:
Scientific models can change when new discoveries are made
A. Phosphorus
Over 44 years, Dr. Schindler and his team tested the effects of phosphorous, nitrogen, and carbon on algae growth. Their research showed that phosphorus, and not carbon or nitrogen, increases algae growth in aquatic ecosystems.
Evolution or Natural Selection fam ;)
If all else fails, moms spaghetti