If you are preparing a report about the effect of climate change on sea level, whose work would you be most likely to study?
A. Warren Washington
B. Edwin Hubble
O C. Christian Doppler
O D. Charles Kuen Kao

A. Warren Washington

I hope this helps you :)

looks like the answer is     c     to me!

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.