HELP brainliest How do scientists use ice to study ancient climates? a) through glacial deposits and ice cores b) through glacial deposits and ice ages c) through ice cores and and Earth’s ellipse d) through Earth’s ellipse and ice ages

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.