To study the dependant variable, a scientist must
a. manipulate the independent variable
b. have more than one control group
c. manipulate the dependent variable
d. have more than one experimental group

Oprincipal hormônio sexual masculino é a testosterona, que é produzida pelas células do testículo chamadas de células de leydig. o responsável por estimular a produção da testosterona é: escolha uma: a. o hormônio luteinizante. b. a progesterona. c. o hormônio folículo-estimulante. d. a androstenediona. e. o estrógeno.

Desiree has a scientific question that she wants to investigate. she has developed a hypothesis and method for her experiment. which step of scientific inquiry should desiree take next? desiree should present her findings to her teacher and classmates. desiree should collect data, which may support or refute her hypothesis. desiree should provide an explanation for her results.

Which are entrepreneurial jobs in the nutrition and wellness field? a.) catering b.) universities c.) government agencies d.) national gorcery store chain e.) sports trainer for the olympics