Answer: D. Quantitative Observation.
Quantitative observation is the usage of your senses (smell, sight, touch, etc) or measurements to observe the results.
Answer:
Passive transport requires energy and moves materials from areas of relatively lower to higher concentration. Passive transport dose not require energy and moves materials from areas of relatively lower to higher concentration
Symbiosis
a bird that sits in the mouths of crocodiles eat left over food from the crocs mouth while the crocodile gets his teeth clean
Basic cooperation
a colony of army ants are able to work together to take down bugs 10x its size by over wellming the bug because they cooperate and work together as a team. using cooperation
No. Tiene que ver con el cuero cabelludo, no el cabello. Puede que ayude pero tendra que hacer tratamiento.