The study of fossil mammals is: micropaleontology
invertebrate paleontology
vertebrate paleontology
paleobotany
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The study of fossil mammals comes under vertebrate paleontology.

Explanation:

Paleontology is the study of fossils which tries to explain the evolution of organisms, their environment and interactions with each other. The various sub divisions of paleontology are vertebrate paleontology, invertebrate paleontology , micropaleontology, paleobotany, palynology etc.

The study of vertebrate fossils, from primitive fishes to the immediate ancestors of modern mammals is known as vertebrate paleontology. Invertebrate paleontology deals with the study of invertebrate animal fossils, such as molluscs, echinoderms, arthropods and annelid worms. Paleobotany studies fossil plants which includes the study of fossil algae and fungi in addition to land plants.  Micropaleontology is the study of microscopic fossil organisms, regardless of the group to which they belong.

Brainliest? I just want to move up a level in , so please. Lol not trying to sound so desperate.

it is to be noted that an alpha particle is an helium nucleus. so it contains 2 protons 2 neutrons and has a mass number of 4. when alpha decay particles are ejected from the nucleus it gets transformed into an atom which has atomic number less than 2 and a mass number less than 4.

an equation that could represent alpha decay is radium 226 decay of alpha particle forms radon 222.

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