Is this a question or answer..I can't understand
Answer:
A. Survivorship for a Type I curve is nearly 1,000 times as great as survivorship for a Type III curve.
Explanation:
The best estimate for Earth's age is based on radiometric dating of fragments from the Canyon Diablo iron meteorite. From the fragments, scientist calculated the relative abundances of elements that formed as radioactive uranium decayed over billions of years.
Phagocytosis is the only effective way invertebrates fight disease
