on October 2, 2022
Can humanity help reinforce the ozone layer?
Earth scienceAsked by: Erin Thomas Can humans repair the ozone layer? On the mend Around 99 per cent of ozone-depleting substances have been phased out and the protective layer above Earth is being replenished. The Antarctic ozone hole is expected to close by the 2060s, while other regions will return to pre-1980s values even earlier. How
on October 2, 2022
How much of a mountain is below the surface?
Earth scienceAsked by: Erin Thomas How deep is a mountain? How deep is the root for a mountain range with an average elevation of 15,000 feet (about 3 miles)? The most important point is that mountains have buoyant roots that extend downward into the mantle beneath a mountain range, and that the roots are, in general,
on October 2, 2022
Why does exhaust smells linger some days?
Earth scienceAsked by: Elizabeth Turner Why do I still smell exhaust? This can be caused by problems like damaged and leaking fuel injectors, a clogged air filter, a bad mass airflow sensor, or a number of other problems. In addition to a gasoline smell, you might also notice black smoke coming from the tailpipe. How do
on October 2, 2022
I need help with these geode like rocks
Earth scienceAsked by: Dennis Hartung What is the rarest type of geode? The rarest and most valuable geodes contain amethyst crystals and black calcite. How do I know what kind of geode I have? Use a mineral identification key to determine what kind of mineral your geode contains. Match the descriptions in the key to the
on October 2, 2022
Identification of Iguanodon and Maiasaura
Earth scienceAsked by: Dennis Hartung The easiest way to distinguish iguanodon from maiasaura is to look for iguanodon’s hands, which are very peculiar indeed. The hand has five digits. The thumb has a large, prominent spike on it for defensive purposes. The three middle fingers are fused and end in hoof-like nails for walking on all
on October 2, 2022
What are some near term effects of Global Warming?
Earth scienceAsked by: Aaron Henry Earth Will Continue to Warm and the Effects Will Be Profound The potential future effects of global climate change include more frequent wildfires, longer periods of drought in some regions, and an increase in the duration and intensity of tropical storms. What are 5 effects of global warming? Effects of Climate
on October 2, 2022
Why is there no American dry winter monsoon?
Earth scienceAsked by: Sonya Mccaslin Does America have a monsoon season? The Southwest U.S. monsoon (sometimes called the North American Monsoon) is the seasonal increase in summer precipitation and occurs between June 15 to September 30 each year. Every monsoon season is different but usually experiences bursts and breaks of rain throughout the season. What states
on October 2, 2022
Tower cumulus clouds without lightnings
Earth scienceAsked by: Sonya Mccaslin What do towering cumulus clouds indicate? What weather is associated with cumulus clouds? Mostly, cumulus indicates fair weather, often popping up on bright sunny days. Though if conditions allow, cumulus can grow into towering cumulus congestus or cumulonimbus clouds, which can produce showers. Do cumulus clouds have lightning? Cumulus congestus are
on October 2, 2022
Precambrian shield and Don Valley Brickworks
Earth scienceAsked by: Garrett Cornell Why did the Don brickworks stop making bricks? To improve safety in the wake of the deadly flooding, the Metropolitan and Toronto Region Conservation Authority acquired the city’s ravine lands including the area around the quarry and kiln site. Despite a post-war boom, the brick works fell into decline and finally
on October 2, 2022
Are the elements of an averaging kernel matrix always centered on the diagonal, or can they be exclusively off-diagonal in rare cases?
Earth scienceAsked by: Erin Colon What is an averaging kernel? The averaging kernel matrix describes both the vertical resolution of each level in the retrieval and the relative weighting between the true profile and a priori profile. Can a diagonal matrix have a zero on the diagonal? A diagonal matrix is defined as a square matrix