Questions

Tax that uses the same rate for all income levels is proportional tax.

Panama Canal is called the 'Gateway of the Pacific'.

Tetrad is a homologous chromosome pair in the given options. A homologous chromosome pair is a pair of chromosomes one from father and one from mother that has same gene sequence after the process of meiosis.

Data Definition Language (DDL):- are the SQL statements that define the database structure.

Example:

1.  CREATE


2.  ALTER


3.  DROP


4.  TRUNCATE


5.  COMMENT


6.  RENAME

When water is cooled from 4°C to 0°C, its density decreases.

When water cools from 4°C to 0°C, ice crystals begin to form because the water is approaching its freezing point. When water freezes, the water molecules form a lattice that increases the volume. As a result, the density decreases. This is why ice will float on top of water; ice has a lower density than the water.