Answer:
Barriers to addressing water problems in developing nations include poverty, climate change, and poor governance. The contamination of water still remains a huge problem because of the normalization of practices that pollute the quality of water bodies. 2.3 billion people lack access to basic sanitation services, such as toilets or latrines. Worldwide, over 80% of all wastewater returns to the environment without being treated. Every day, more than 800 children under five years of age die from diarrhea caused by dirty water.
An expansion in venous tone will increment heart yield and increment mean blood vessel weight. All blood vessel and venous vessels under basal conditions display some level of smooth muscle compression that decides the breadth, and thus tone, of the vessel.
Answer:
Animals, plants, fungi, and protists are eukaryotes. ... Both prokaryotic and eukaryotic cells have structures in common. All cells have a plasma membrane, ribosomes, cytoplasm, and DNA. The plasma membrane, or cell membrane, is the phospholipid layer that surrounds the cell and protects it from the outside environment.
Explanation:
Answer:
There are two ways
1) By the depth at which the fossil was found(i.e. If it was found near the surface of Earth, then its a fossil which was just recently decomposed, but if it was deep inside then it's old.
2) By method of Carbon Dating
