What is the effort put by scientists and sailors to know about earth?​

The effort put by scientist and sailors about earth is that they keep on going round the earth and putting their lives in danger and some even give their lives.

Explanation:

They put much effort, sacrifice and learning just to explore mysteries around the world. They spend much money for sailing and colonizing nations. Scientist also discovered whats more land away from the seas. Loss of lives and crisis they had felt

answer; i do believe that the correct answer is; ///mendelian genes are at specific loci on the chromosome and, in turn, segregate during meiosis;

answer: 45

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