They are required to have legally acquired evidence
They are required to have a warrant of arrest
I am unsure of the third. However, it could be that a witness (aside from the victim and/or officer) was present.
Answer:
The use of improved plant hybrids and agricultural chemicals
Explanation:
According to history, India witnesses a huge surge in the the amount of wheat produced in the country between 1950 - 1990 ; This surge in production has made wheat the main cereal crop in the country with about 30 million of hectares of land being used to cultivate the cereal crop as of today. The huge surge over the 40 year period whereby production more than doubled could be attributed to the advancement and upgrade in the crop type and agricultural chemicals being adopted. These hybrid crops germinated faster and produced good yield which boasted more production and drove revenue to better height.
Answer: The microbes only grew in the bottles containing earth-like air.
Explanation:
The growth of microbe depends upon the availability of substrate, moisture, and gas. The atmosphere is a mixture of gases. Earth-like atmosphere favors the survival of many micro-organisms. Carbon dioxide, oxygen, methane, nitrogen, and others are valuable earth like gases that will favor the survival of many microorganisms. So, according to the given situation in the experiment microbes will grow in earth like air.