Regular answer:
Pure water
scientific answers:
hydrogen hydroxide
H2O
di-hydrogen oxide
Answer:
Silicate-Oxygen tetrahedro
Explanation:
Silicate-Oxygen tetrahedro are the most abundant and basic structure of common minerals.
These are silicate minerals which formed to silicate rock forming mineral. These constitute about 90% of earth crust. Silica SiO2 consider as most common mineral on the surface of earth also known as Quartz. The the most andundant element in the earth crust is oxygen, mainly found in combine form.
Answer:
a. plants are preserved as fossils
Explanation:
Through the passing of time, the dead bodies like plants or animals rest in soil, and the cover by different particles, with the time they can be compressed and form a soil layer. If the environment condition changes they get caught in one soil layer. If this process is repeated constantly, so a new soil layer will be formed. So passing the time, different soil layers will have different animals or plants. With the help of isotopes, the scientist can determine the years of each layer.
Answer:
Virgin river, western direction.
Explanation:
- As lake quail is a dammed river and lies directly over the San Andrea fault and transform boundary with the North American plate on the northward side and the pacific plate on the southern side and a stream rises in the Pine Valley Mountains and flows to the southeasterly direction.
- The pacific plate is moving in the northwest direction due to the seafloor spreading from the eastern pacific rise. while the North America is being pushed to the southwest due to the spreading of the seafloor in the mid-Atlantic ridge.