Answer:
All dinosaur fossils found by archeologists have been found a few centimeters below the iridium layer. So, the possibility of finding dinosaur fossils above the iridium layer is very slim.
Explanation:
Over 65 million years ago, dinosaurs roamed the earth but were canceled out as a result of an extraterrestrial impact on the earth's crust. Research proved that an asteroid brought the end of dinosaurs as the element iridium was found in the earth (since iridium is abundant in asteroids and not the earth's crust).
Records of fossils found have been between 13 to 60 centimeters below the iridium or the K-T boundary as it is called.
Answer:
human factors:
Access to a freshwater supply is affected by the following factors: Climate – low levels of rainfall and high temperatures lead to water deficits . When rainfall is low, there is less water available. When temperatures are high, water evaporates and so there is less available to use.
environmental factors:
Sedimentation.
Runoff.
Erosion.
Dissolved oxygen.
pH.
Temperature.
Decayed organic materials.
Pesticides.
Explanation:
no explanation. already explained in the answer
Answer:
true
Explanation:
they have a common ancestor that allows for the mating
Narrow ridges, stream channels, drainage
Answer:
Separatist rebellion in the East When Ukraine's Moscow-friendly president was driven from office by mass protests in February 2014, Russia responded by annexing Ukraine's Crimean Peninsula. It then threw its weight behind an insurgency in the mostly Russian-speaking eastern Ukraine region known as Donbas.
