44) C) <span>mitosis
45) C) </span><span>mitochondria
46) C) Dominant
Hope this helps!</span>
Answer:
This hierarchy comprises eons, eras, periods, epochs, and ages from the largest to the smallest
Explanation:
This hierarchy comprises eons, eras, periods, epochs, and ages from the largest to the smallest. All of these are shown in the geological time scale page.
Eon Era Period Epoch Age
Phanerozoic Cenozoic Paleogene Oligocene Chattian Rupelian
The Phanerozoic Eon reflects the period that most macroscopic species — bacteria, fungi, plants, and animals — lived through.
Divide the amount in half for every 2 minutes
0 minutes = 20 grams
2 minutes = 20/2 = 10
4 minutes = 10/2 = 5
6 minutes = 5/2 = 2.5
8 minutes = 2.5/2 = 1.25 grams
Conceptually, one can define three generations of renewables technologies, reaching back more than 100 years .
First-generation technologies emerged from the industrial revolution at the end of the 19th century and include hydropower, biomass combustion and geothermal power and heat. Some of these technologies are still in widespread use.
Second-generation technologies include solar heating and cooling, wind power, modern forms of bioenergy and solar photovoltaics. These are now entering markets as a result of research, development and demonstration (RD&D) investments since the 1980s. The initial investment was prompted by energy security concerns linked to the oil crises (1973 and 1979) of the 1970s but the continuing appeal of these renewables is due, at least in part, to environmental benefits. Many of the technologies reflect significant advancements in materials.
Third-generation technologies are still under development and include advanced biomass gasification, biorefinery technologies, concentrating solar thermal power, hot dry rock geothermal energy and ocean energy. Advances in nanotechnology may also play a major role.
Answer:
a fertilized egg- zygote
separation of two ends of an old cell- cytokinesis
union of egg and sperm- fertilization
egg-producing organ in lower plants- archegonium
