Answer:
The investment has doubled in worth by the start of 15th year.
Explanation:
The answer is letter A. When you notice the soft sound of rain on the roof, it has crossed a perpetual line called your absolute threshold for detecting an auditory signal. Absolute threshold is the smallest energy that stimulates our human senses such as hearing, seeing, smelling, etc.
B - it provided friendly competition resulting in new technologies jobs.
The space race had many positive affects on the daily lives of people at the time and we still reap the benefits of the space race today. Having opened many jobs at the time, it positively helped the economy to grow and become prosperous, which again, improved the working conditions for many fields and improved how people lived.
<span>He would be called an ecologist. And the study of ecosystems is called ecology
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