Close

Why do scientists prefer to use the metric system?

Why do scientists prefer to use the metric system? A dime weighs about one gram. The metric system is the preferred system of scientific units for several reasons: The majority of countries in the world employ the metric system of measurement. Because metric units are decimal-based, they are easily converted by moving the decimal point. […]

Read More

What countries border the Amazon rainforest?

What countries border the Amazon rainforest? Nine countries share the Amazon basin—most of the rainforest, 58.4%, is contained within the borders of Brazil. The other eight countries include Peru with 12.8%, Bolivia with 7.7%, Colombia with 7.1%, Venezuela with 6.1%, Guyana with 3.1%, Suriname with 2.5%, French Guyana with 1.4%, and Ecuador with 1%. Which […]

Read More

What is runoff quizlet?

What is runoff quizlet? Runoff. water that flows over the earths surface rather than soaking into the ground. Which phrase describes groundwater? Hence, the correct phrases that describe groundwater are feeds rivers, used for irrigation, and provides drinking water. What freshwater source is a permanent shallow body of water with plant life throughout? PONDS What […]

Read More

How does weathering and erosion affect the landscape?

How does weathering and erosion affect the landscape? Once a rock has been broken down, a process called erosion transports the bits of rock and minerals away. Weathering and erosion constantly change the rocky landscape of Earth. Weathering wears away exposed surfaces over time. The length of exposure often contributes to how vulnerable a rock […]

Read More

What is the difference between biased and unbiased sample?

What is the difference between biased and unbiased sample? If an overestimate or underestimate does happen, the mean of the difference is called a “bias.” That’s just saying if the estimator (i.e. the sample mean) equals the parameter (i.e. the population mean), then it’s an unbiased estimator. Any estimator that is not unbiased is called […]

Read More