For plants to survive in mangrove ecosystems like the Central African mangroves, they must have adaptations that allow them to live in water. A. salty B. shallow C. deep D. polluted Please select the best answer from the choices provided

If the age of the lowermost layer of a rock sample is more than 2 million years, which of the following could be the age of the upper layers? less than 1 million greater than 3.5 million between 2 million and 3 million between 3 million and 3.5 million