How does past effect the present

The best example we can give is of karma ,if karma are good then yr future is good basically the things which we are doing past or we can say now will always effect our future nd present soo we need that take every step carefully because it will be sufficient to destroy the future but difficult to build that again.

Explanation:

answer: the ocean

explanation: if you map out 30 n and 40 n latitude, you will get the ocean

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.