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Author Question: Which is a true statement about the role of grandparents? a. The usefulness of grandparents ... (Read 53 times) |
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.