I NEED HELP WITH THESE TWO QUESTIONS! Brainliest for correct replies!

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

In the african savanna, more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

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.