Which change usually accompanies a cold spell in Minnesota? Answer: The correct answer is “Polar jet streams moving south”. How do conditions in the United States change when a jet stream moves north? Jet streams are always changing: moving to higher or lower altitudes, breaking up, and shifting in flow, depending on the season and […]

What are the issues of gender equality? 5 Top Issues Fueling Gender Inequality in the Workplace Unequal pay. On average, American women are more educated than men. Sexual harassment. An obstacle that many women face in the workforce is sexual harassment. Racism. Women are promoted less often than men. Fear of asking to be paid […]

What is used to predict tsunamis? Tsunamis are detected and measured by coastal tide gages and by tsunami buoys in the deep ocean. The tide gages measure the tsunami wave directly. In the deep ocean, sensors on the ocean floor detect the pressure signature of tsunami waves as they pass by. Why are tsunamis predictable? […]

What can aluminum foil be recycled into? The aluminum is crushed and baled, then sent to a metal recycler. At this point, the aluminum is cleaned and melted into sheets of aluminum, where it can be manufactured into aluminum cans or foil products. Are foil pie plates recyclable? They are made out of aluminum and […]

What are the gases present in sun? The sun is a big ball of gas and plasma. Most of the gas — 91 percent — is hydrogen. It is converted into energy in the sun’s core….Abundance of elements. Element Abundance (pct. of total number of atoms) Abundance (pct. of total mass) Hydrogen 91.2 71.0 Helium […]

Does the Erie Canal connected to Lake Ontario? Oswego Canal, which follows the Oswego River from the Erie Canal 23 miles north to Lake Ontario; Cayuga-Seneca Canal, which connects the Erie Canal to 92 miles of canalized rivers and lakes, including the Seneca River and Cayuga and Seneca Lakes. Where does the Erie Canal start […]

How are the pollutant concentrations measured? Concentrations are most commonly expressed as mass per unit volume (for example, micrograms per cubic meter). As stated above, exposure is the pollutant concentration in the air at the point of contact between the body and the external environment. What are the pollution control techniques? Air pollution control Air […]

What is the main cause of air pollution in China? Coal is the leading culprit of air pollution in China. 75% of the premature deaths are caused by the 152 coal-fired power plants in Hebei Province. Air pollution will remain a serious problem in China as long as coal continues to be the country’s major […]

What part of Egypt is the Nile Delta located? The Nile delta is situated in northern Egypt, where the river Nile reaches the Mediterranean Sea. The Nile is the longest river in the world. It originates near the equator and flows nearly 7000 km northward. The Delta begins approximately 20 km north of Cairo and […]

What must be true about a parallelogram? A simple (non-self-intersecting) quadrilateral is a parallelogram if and only if any one of the following statements is true: Two pairs of opposite sides are parallel (by definition). Two pairs of opposite sides are equal in length. Two pairs of opposite angles are equal in measure. Which statement […]