Questions

The constitution of United States prescribes that the Senate be composed of two senators from each state. As there are 50 states in USA, therefore there are 100 members in the United State Senate.

Uranus is the seventh planet from the Sun which looks green color. It has the third-largest planetary radius and fourth-largest planetary mass in the Solar System. Uranus is similar in composition to Neptune, and both have different bulk chemical composition from that of the larger gas giants Jupiter and Saturn.

Colors of other planets::

Mercury - Gray or slightly brownish

Venus - Pale yellow

Earth - Blue with white clouds

Mars - Mostly reddish brown

Jupiter - Orange and white bands

Saturn - Pale gold

Uranus - Green

Neptune - Pale blue

Pluto - Light brown

Each of the integers in the first set could be combined with any from the second set, giving a total of 4 x 5 = 20 possible pairs.

Of these the combinations that could give a sum of 23 are (5 + 18), and (9 + 14)

This means that the probability of getting a sum of 23 is 2/20 = 1/10

The absence of a nucleus is an adaptation of the red blood cell for its role. It allows the red bloodcell to contain more haemoglobin and, therefore, carry more oxygen moleculesLike red cells, platelets (thrombocytes) have no nucleus.Monocytes have a small spherical nucleus and has abundant dark staining condensed chromatin.There are 5 organelles found in a root hair cell. They are the: nucleus, cytoplasm, cell membrane, cell wall and vacuole.

Sound is a kind of energy created when something vibrates. When this vibration reaches an ear, it is translated into what we recognize as a sound. Sound vibration must travel through matter. Therefore, it can travel through air and water but not through vacuum.