Impermeable and/or non-porous materials include clay, non-fractured igneous and metamorphic rocks. Porous/permeable layers are called aquifers; impermeable layers called aquiludes.
Answer:
The answer is D. the cerebellum is the section at the rear base of the brain.
Answer:
there are 4 hydrogen atoms
Answer:d. Digitizer
Explanation:
A digitizer is a device that is used along with the stylus. A digitizer is used to convert the hand drawn images into a format which can be used by the computer.
The images are drawn on the flat surface along with the stylus that appears on the screen of the computer monitor. This device is used as glass cover over the screen of the monitor. This device is used to convert the analog signal to digital signals. This is used in non-touch screen laptops and monitors.
On the basis of the above description, the digitizer is the device which can be used along with the stylus to manipulate the screen.
Answer:
faced a struggle for survival
Explanation:
The woolly mammoths became extinct, unlike the other species, because the woolly mammoths faced a struggle for survival due to changing of environmental conditions. Global warming is the main cause of extinction of woolly mammoth which destroy their habitats about 10,500 years ago. The environmental conditions are not favourable for them so they faced struggle for survival which causes extinction of woolly mammoth.