He found a nuclear structure (cells) in plants by looking through a microscope
Answer:
Without naturally occurring greenhouse gases, Earth's average temperaturewould be near 0°F (or-18°C) instead of the much warmer 59°F (15°C). The concentration of greenhouse gases, especially carbon dioxide and methane, has fluctuated naturallyover geological time scales.
The diaphragm stops the passage of light
The vas deferens are a fibromuscular tube which connect to the epididymis, and is an excretory duct of the testis.
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