This is because the earth rotates around the sun, causing day light at certain part of the earth which is referred to as day and causing the other part of the earth to be dark which is referred to as night. In other words the earth is round, and it can not always have it surface day light at a time nor it surface night time at a given time. so part of it will be dark and another light leading to day and night.
Answer from: Quest
answer; first blank(1); 30% two(2); salmonella; i believe this is correct; //good luck;
Which of the following most likely contributed to the outbreak of world war ii? a. embargoes on international trade b. higher tariff rates in european countries c. sanctions imposed by the united states d. global economic depression