HELPE ME PLZ What appeared on Earth first, plants or animals?

a
None of the other choices are correct.
b
Plants, because animals depend on plants for food.
c
Plants, because they are much simpler organisms than any animal.
d
Animals, because plants depend on animals to plant their seeds.
e
Animals, because plants depend on animals for carbon dioxide.

Which of the following is true of cultural syndromes of distress? a. it refers to attributing pathological symptoms to normative cultural differences. b. refers to misinterpreting culturally sanctioned behavior as expressions of pathological symptoms. c. it refers to the ways that communities and cultural groups communicate and express their distressing thoughts, behaviors, and emotions. d. it refers to patterns of symptoms that tend to cluster together for individuals in specific cultural groups, communities, or contexts.

What is federalism? what is federalism

Experiment to investigate effect of medication on levels of stress in males and females. dependant variable?