Hey, how would I get the half-life and age of the rock in the senecio? Uranium 235 decays into Lead 207. The half-life is 704 million years. If the amount of Uranium 235 is equal to the amount of Lead 207

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

“in 1492 columbus sailed the ocean blue” is an example of: a)explicit memory b) procedural memory c) semantic memory d)episodic memory

Which type of stimulus do mechanoreceptors detect? sound pain heat light