Answer:
Meters/grams are the most common.
Explanation:
Grams are very exact and meters are also common to use.
Oxygen-16 and Carbon-12 are stableisotopes of elements O and C respectively. Hence, they do not have half-lives. But Carbon-14 andUranium-238 are radioactive isotopes. Among them Carbon-14 has relatively short half-life as about 5730 years while Uranium-238 has a long half-life as about 4.5 billion years.
Answer is. uranium-238
C- Section, also known as a caesarean section.
Multicellular organisms begin as a single cell. These cells then grow and undergo differentiation, the process by which cells develop specialized forms and functions.In multicellular organisms, cells are often organized into tissues, organs, and organ systems.
Answer:
down syndrome
Explanation:
people with down syndrome have an extra chromosome in the twenty-first pair
