I have branches, but no fruit, trunk or leaves. What am I?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What is the below Rebus indicate?

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Can it be possible to build a house that has all its four walls facing towards the South?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?

What goes through cities and fields, but never moves?