Answer:
Net force=120N-90N=30N
30N to the right
Answer:
D. the process by which species change as successful traits are passed on to the next generation
Explanation:
Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.
B. Langerhans cells transport harmful substances to white blood cells.
I think this is the correct answer, Good Luck!
Answer: Forested
Explanation: They once occupied nearly al of the forested regions of norte americano