b) some bacteria reduce nitrate ion
Answer:
Although wind makes up about 8% of total U.S. electricity generating capacity, wind generators provided a smaller share (5%) of total U.S. electricity generation in 2016 because wind turbines have relatively low capacity factors.
Explanation:
Answer:
B. extremophiles
Explanation:
Archaea are often called <u>extremophiles</u> because they live in areas where most living things couldn't survive.
Answer:
Interrupt the long winter nights with a brief period of light.
Explanation:
Long day plants, also called short night plants, flower when the dark period is equal or less than the critical period specific for the species. These plants normally flower in summers when nights are short and days are longer. Winters have a long dark period and do not support flowering in shirt night plants.
A continuous dark period is critical for flowering. A short night plant can flower in winters (having longer dark periods) if the dark period is interrupted by exposing the plant with a flash of light. To make short night plants, such as iris to flower in winters, the plant should be given short period of light after completion of critical dark period.
Sporophyte embryo.
Seed coat are one of the three parts of the seed of plants. The endosperm, embryo and seed coat. The number one function of seed coat is for protection against the environment. A seed need protection from water, heat,. This can all affect the chance of being a mature animal. This can also provide insuation during sub freezing temperatures. It also protects the endosperm which is the primary source of food of the developing embryo.