The origin of life depends on a wide number of issues, all related to the existence of planetary and stellar bodies, chemical elements and the favorability of conditions for life created with such elements and under conditions not overly chaotic or disruptive and with energy sources that are balanced and moderate. As a result, the conditions for life can only result after the conditions of the universe are settled. It took the universe approximately 9.3 billion years to form galaxies and stars and planets that satisfy the demands of life on a fundamental level. It then took 4.5 billion years to condition the Earth through inorganic and organism progression to achieve the pinnacle of creation, which is humans.
The circulatory system is the transport system for endocrine information. While the nervous system uses neurons, the endocrine chemicals and hormones must circulate through the body via blood vessels. Many glands in your body secrete hormones into the blood.
The more intense the light is, the faster the rate of photosynthesis will occur
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Physical property is defined as the property of a substance which can be measured without changing its chemical identity. Physical properties are observable properties of a substance. In other words, physical properties can be measured by watching, listening, feel, touch or smell.
Some examples of physical property are: Hard, soft, color, odor, and luster etcetera.
