The correct answers are options:
1. Amphibians evolved before land reptiles.
4. Elephants appear in the fossil record after dinosaurs became extinct.
The relative dating is a technique of dating with respect to any past event. In this case, two events are discussed to be occurred in a sequence related to one-another. In the option 1, the amphibians are said to be evolved before reptiles. So, the evolution of the amphibians is relatively dated with the evolution of reptiles. Same in the option 4, the evolution of the elephants is relatively dated with the extinction of the dinosaurs.
Asteroid<span>: a large rocky body in space, in orbit around the Sun. </span>Meteoroid<span>: much smaller rocks or particles in orbit around the Sun. Meteor: If a </span>meteoroid<span> enters the Earth's atmosphere and vaporizes, it becomes a meteor, which is often called a shooting star.</span>
Both processes rely on each other to function
Astrology
Explanation:
A person studying the field of Astrology would not have her finds testable by others because most are descriptive and not experimental in nature.
Astrology is a pseudoscience claiming divination by the positions of the planets and sun and moon.
- It is simply the study of stars and their patterns.
- Most astrologers use positions of planetary bodies to predict future events and some topical matters.
- Astrology is not pure experimental science that can be tested using sophisticated instruments in the laboratory or in the field.
- Biology is the study of life and follows the scientific way of studying nature.
- Chemistry and physics are pure sciences that follows the scientific nature in their investigation.
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Answer:
Option D, Green roofs
Explanation:
Green roofs are also known as eco-roofs in which a vegetative layer is placed on a flat or sloped roof. Beneath this roof, a waterproofing system is also placed. These roofs have been categorized based on the length on the plantation. Some of the major benefits of green roofs are –
a) They are climatically oriented as they play an important role in regulating the temperature and purifying the air.
b) They prevent flow of rain water and saves energy.
c) Regulate the internal ambient temperature and urban heat island affect
d) Prevent particulate matter from the air
Hence, option D is correct
