Answer:
The presence of high temperature and pressure, soil as a medium and also microbes are the factors that determine if animals and plants will form fossils.
Explanation:
As plants as well as animals dies in moist condition, and when buried inside the mud or silt. The soft tissues present starts degrading leaving behind the hard bones and also shells. Over the period of time various layers gets formed over it. As a result of high pressure and temperature fossils are formed. In case of animals the mineralized shell i.e. trilobite and ammonite form the fossils. It takes around 10,000 years for the formation of fossils the time period is minimum it may vary according to the species.
Of the options you provided, re-absorption of water is not a direct function of the verebrate liver.
this is done by the excretory & urinary systems - mostly by large intestine to be more exact. The kidneys also play a role in water re-absorption, but they don't play as a significant of a role as the large intestines, which usues many many villi to re-absorb water beofre it's lost during excretion.
Answer:
A
Explanation:
Using renewable resources will allow the US to use energy without having to worry about running out of energy sources such as fossil fuels.
Vacoule
Cell wall
Cytoplasm
Answer: Strip mining eliminates existing vegetation and alters the soil profile, or the natural soil layers.
Explanation:
Mining disturbs and may even destroy the beneficial micro-organisms in the topsoil. Soil also may be damaged if reclamation operations mix the topsoil with subsoils, diluting matter in the surface soil.