HELPP IMA GIVE YOU 20 PONTS PLI The mass extinction of the dinosaurs, approximately 65.5 million years ago, is inferred by most scientists to have been caused by

A)
a large energy surge from the surface of the Sun

B)
the occurrence of a major ice age

C)
an impact event occurring on Earth's surface

D)
earthquakes occurring along crustal plate boundaries

Barbara is converting 78°f to degrees celsius. first, she subtracts 32 from 78. what is the next step?

Asap timed! 1. ice core samples from glaciers ice caps contain bubbles of ancient atmosphere that are in layers based on age. what questions are scientists most interested in? a. how the amount of water vapor needed to make the ice has changed b. how the amount of ozone has changed over time.c. how the amount of ice in each layer has changed over time d. how the amount of carbon dioxide has changed over time 2. what produces milankovich cycles ? a. sunspots ams solar flare on the suns surface b. changes in the earths orbit c. gravitational changes bases on the position of the sun and the moond. cycles of vegetation that result in desert and rainforest conditions

An area has a few days of low humidity, warm air temperature, and high air pressure. what kind of weather is this area experiencing? o fog o snow storms o sun