Answer: 1- (D)
2- Lithosphere
3- True
4- True
Explanation: Black smokers are generated in the mid oceanic ridges and during the underwater volcanic eruption, which is a hot vent releasing black colored smokes of sulfur from it. They are often associated with the Volcanogenic Massive Sulfide (VMS) deposits.
The lithosphere is the rigid broken plates that are relatively cool and flows over the weaker and viscous asthenosphere layer.
When the groundwater flow intersects the ground level, it forces the water to come out to the surface forming a spring.
The study of changing atmospheric composition along with the ice cores, helps in determing the age upto 800,000 years. But recently, a new discovery has made, in which the ice cores helped in dating back to about 1.5 million years.
Answer: Two electrons will tend to repel each other because both have a negative electrical charge. Two protons will also tend to repel each other because they both have a positive charge.
Explanation:
Answer:
<u>Radon </u>in door source of air pollution.
Explanation:
- From all Pollutant and sources found in the interior of the homes like the pet dander and molds, pesticides and asbestos. Radon a chemical element found in homes having an atomic number of 86. It is a radioactive and odorless tasteless natural gas.
- Through the radon is non-reactive elements, it can be oxidized with compounds of fluoride. It has no stable isotopes characterized bt unstable mass. In the mining industry, it caused due to the exposure from the released air.
- Radium-226 is used to produce the radon which is found in uranium ores and phosphate rocks. An estimate of about 2.4 billion curies of radon is released every year into the soil. This pollutant can also be found in water bodies and even in construction sites.
Answer:
a
Explanation:
well i picked b and it was wrong so it seems like the right answer
Sí. Hace frío durante la noche y hace calor durante el día
