Answer: Polychlorinated biphenyls (PCBs) are a group of manmade chemicals. They are oily liquids or solids, clear to yellow in color, with no smell or taste. PCBs are very stable mixtures that are resistant to extreme temperature and pressure. PCBs were used widely in electrical equipment like capacitors and transformers. They also were used in hydraulic fluids, heat transfer fluids, lubricants, and plasticizers. The primary company that made PCBs in the United States was Monsanto Inc., mainly using the name Aroclor. Commercial production of PCBs ended in 1977 because of health effects associated with exposure. In 1979, the U.S. Environmental Protection Agency (USEPA) banned the use of PCBs; however, PCBs are still present in many pre-1979 products.
Answer: left handedness
Explanation:
It would be the opposite of RR
Answer: A. Heat within the Earth
Explanation: the earth’s crust floats on liquid rock. The convection currents caused by the Earth’s rotation cause movement at the surface.
Answer:
A. mitochondria and chloroplasts
Mitochondria produces energy, it's like the powerhouse of the cell.
Chloroplast uses sunlight to make food for the plant.
- it's where photosynthesis takes place.
Answer:
The correct answer is option D. neophobia.
Explanation:
Neophobia is the phobia about trying the new thing or the unfamiliar things. Jana is trying new delicacy which is new or unfamiliar for her so it makes her reluctant.
It is not clear what causes the neophobia in individual however it is a condition that is related to psychological condition too. It makes a person hesitant to tryout unfamiliar things like adventurous sport, Trying abnormal food, and other new approaches.
Thus, the correct answer is option - D. neophobia.
