Hal science - Study guides, Class notes & Summaries

Sophia - Environmental Science - Unit 3 Challenge 1 1 — Human Population Growth Determine the amount of natural resources required for each person to live. In the United States, the standard of living requires about five hectares per person. If every person on Earth required five hectares to live, we would need __________ to sustain the current population. • a.) five Earths • b.) four Earths • c.) two Earths • d.) three Earths 2 — Agriculture Practices: Plant Sources Id...

Sophia - Environmental Science - Unit 3 Challenge 1 1 — Human Population Growth Determine the amount of natural resources required for each person to live. In the United States, the standard of living requires about five hectares per person. If every person on Earth required five hectares to live, we would need __________ to sustain the current population. • a.) five Earths • b.) four Earths • c.) two Earths • d.) three Earths 2 — Agriculture Practices: Plant Sources Id...

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 3 Challenge 1 1 — Human Population Growth Determine the amount of natural resources required for each person to live. In the United States, the standard of living requires about five hectares per person. If every person on Earth required five hectares to live, we would need __________ to sustain the current population. • a.) five Earths • b.) four Earths • c.) two Earths • d.) three Earths 2 — Agriculture Practices: Plant Sources Id...

1 — Water Recognize the breakdown of water on Earth. Choose the true statement about water on Earth. • a.) The majority of freshwater is contained in the ocean. • b.) A large percentage of the Earth’s freshwater is accessible to humans. • c.) Approximately 80% of the water on Earth can be found in oceans. • d.) Oceans cover about 70% of the Earth’s surface. 2 — Water Supply: Groundwater Identify where fresh drinking water is located and how humans can access it. Which ...

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'...

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'...

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'...

Sophia - Environmental Science - Unit 1 Challenge 3. 1 — The Impact of Population Growth: Environmental Effects Identify environmental effects associated with given impacts of human population growth. An increased need for water has resulted in __________. • a.) over-reliance on government agencies • b.) depletion of non-renewable fuel sources • c.) multiplied species populations • d.) freshwater and groundwater pollution 2 — The Impact of Population Growth: Projections R...

1 — Earth Systems Recognize the different systems that work together to create earth systems. Life on the planet is made possible by a particular arrangement and balance of many systems. One example is the geologic system, which includes __________. • a.) food chains and food webs • b.) climate and water systems • c.) carbon, water and nitrogen cycles • d.) photosynthesis 2 — Earth's Features Determine an area's climate based on its physical features. As a person clim...