The answers are
B. large grain sizes C. more precipitation D. warmer temperatures
what is the climate in the Serengeti like?

The average temperature in Serengeti is fairly consistent throughout the year. The region will see highs of about 27°C (80°F), and lows of about 14°C (57°F).
The climate of the Serengeti National Park is subtropical, with a dry and relatively cool season from May to August, a warmer and still quite dry season in September and October, and a rainy and quite hot season from November to April.
These characteristics are only present during embryonic development in some chordates. The notochord provides skeletal support, gives the phylum its name, and develops into the vertebral column in vertebrates. The dorsal hollow nerve cord develops into the central nervous system: the brain and spine.
A volcanic bomb is a mass of molten rock bigger than 64 mm (2.5 inches) in diameter, formed when a volcano ejects viscous fragments of lava during an eruption. They also cool down into solid fragments before they land on the ground<span>.</span>