The basic unit of matter is referred to as a(n) ____
Some help with this, please?
Answer: atom
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Use the following information to answer the following question(s): You wake up one morning feeling slightly under the weather. A close family member enthusiastically suggests that you take some Echinacea, an herb commonly used as a cold remedy. You then decide to design an experiment to test Echinacea and see if this claim is true. You think, "If taken at the beginning of a cold, Echinacea will reduce cold symptoms."You decide to test the effects of Echinacea on 100 people who are experiencing similar cold symptoms. Which of the following groups would represent an appropriate control in your experiment?
A. 100 sick people given tablets similar to Echinacea but with no herb B. One healthy person given Echinacea tablets C. One sick person given Echinacea tablets D. 100 healthy people given tablets similar to Echinacea but with no herb
Young freshwater turtles typically leave their parental population and ____ to another turtle population in a pond some distance away. What is the correct ecological term for this?
a. immigrate b. relocate c. travel d. expand e. integrate
A couple has five sons. What is the probability that their next child will be a girl?
A. 50% B. 25% C. 100% D. 75% E. 0%
A distinctive type of larva shared by several phyla of invertebrates and considered to be important in phylogeny is the:
A. trochophore B. paedomorph C. gastrula D. metamere E. tadpole