List the nitrogen bases that would form the complementary strand: ttctaccctacatagactcat

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

How many cells are our body made of ? ♡

What is the farthest destination to date for a human spaceflight mission?