Publisher

AL EXAM 2 – QUESTION AND ANSWERS 1/1 POINTS A fitness center claims that the mean amount of time that a person spends at the gym per visit is 33 minutes. Identify the null hypothesis, H0, and the alternative hypothesis, Ha, in terms of the parameter μ. ________________________________________ That is correct! ________________________________________ H0: μ≠33; Ha: μ=33 H0: μ=33; Ha: μ≠33 H0: μ≥33; Ha: μ<33 H0: μ≤33; Ha: μ>33 Answer Explanation Corre...

Introduction to Sociology - Milestone 5 Which of the following ratios can be inferred from a population pyramid? • The ratio of young people (0-20 years old) to old people (50 years old and older) in society • The ratio of old men (50 years old and older) to young men (0-20 years old) in society • The ratio of males to females in a society (i.e., the sex ratio) • All of the answer choices are correct. Which type of social movement seeks limited social change, but trie...

Sophia - Environmental Science - Unit 2 Challenge 3. 1 — Photosynthesis and the Carbon Cycle Determine how carbon is cycled between plants and animals. How is carbon cycled between plants and animals? • a.) Dying organisms consume oil and coal. • b.) An animal eats a plant, then absorbs and exhales the carbon, which is then absorbed by other plants during photosynthesis. • c.) Plants use oxygen combined with sugar, to create water and carbon in order to grow. • d.) Plants releas...

Sophia - Environmental Science - Unit 4 Challenge 2. 1 — Climate Change Identify scientific observations that support the idea of climate change. Of the options below, which is used by scientists as evidence of man-made climate change? • a.) The growing number of endangered species • b.) The descending sea levels • c.) The melting of glaciers and polar ice caps • d.) The steep increase in the incidence and severity of skin cancer 2 — Causes of Climate Change Determine the ...

Sophia - Environmental Science - Unit 1 Challenge 2. 1 — Earth's Formation: History of Earth's Formation Determine the date of major events for Earth's history, according to the one-year calendar model. According to the one-year calendar model based on the Big Bang theory, which of the following events happened in September? • a.) The solar system comes into existence. • b.) The Big Bang occurs. • c.) Life appears on Earth. • d.) Homo sapiens appear on Earth. 2 — Earth'...

Match the tasks of a historian with the statements that exemplify them. Jane traveled to the Smithsonian to study photographs of Native Americans. Seymour tried to place himself in 1800 America while researching the 1800 presidential election. Angela consulted her notes as she began to write about the history of Pearl Harbor. ● A. creating narratives based on facts ● B. compiling facts ● C. asking questions of the past ● D. remaining objective in his or her interpretation ...

US History I Practice milestone 4

1 — Female Reproductive System Identify organs and glands associated with the female reproductive system. Which of the following is a mature egg cell? • a.) Zygote • b.) Ovum • c.) Embryo • d.) Oocyte 2 — Ovarian Cycle and Menstrual Cycle Determine the components of the ovarian and menstrual cycles. Which hormone released during the menstrual cycle prepares the endometrium for implantation? • a.) Adrenocorticotropic • b.) Follicle stimulating hormone • c.) Luteini...

1 — Scientific Method Identify the steps of the scientific method in a given scenario. Peter noticed that iron needles placed beside a magnet attract other iron needles. If he is following the scientific method to find out why this happens, what should he do next? • a.) Predict that the iron objects he places next to a magnet will attract other iron objects. • b.) Place several different iron objects next to a magnet and observe whether they attract other iron objects. • c.) Deve...

US History I Unit 2 Challenge 2 My name is Benjamin Wallace. I live in Boston, Massachusetts, in the year 1790. Nearing my sixtieth year, I ama printer and newspaperman by trade. I was today interviewed by a young man curious about history. Our conversation turned to the French and Indian War. As I was a young man when it happened, I recounted how, in an attempt to reduce colonial smuggling, the British had lowered taxes on a valuable import. I found myself quite indignant as I recalled t...