Use the 'font-weight' property.
To put it in perspective, 'font-weight: 400' is the same boldness as normal text, whereas 'font-weight' 700 is the same boldness as a regular bold font.
Answer:
Data is stored in tables, where each row is an item in a collection, and each column represents a particular attribute of the items. Well-designed relational databases conventionally follow third normal form (3NF), in which no data is duplicated in the system. ... With a homogenous data set, it is highly space efficient
1 and 4 are both true, Although it looks like 1. being your correct answer.
