1. according to the fossil record, the first land plants were most likely pine trees. moss and ferns. flowering plants. 2. scientists have found fossils of pine cones, seeds, and leaves with veins. more than likely scientists would also find fossilized remains of fish. dinosaurs. mammals 3. lots of shell fossils and no plant fossils tell us that earth probably mostly covered with oceans and little dry land. true

What is the maximum number of electrons that an atomic orbital can contain?

What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction

Gusing the milligrams of ascorbic acid you entered above, the ratio of total sample volume to aliquot volume, and the total milligrams of the vitamin c tablet that you dissolved, calculate the mass of ascorbic acid in the vitamin c tablet for each trial. do this by scaling up to find the amount (mg) of ascorbic acid in your 250 ml flask. enter your calculated mass of ascorbic acid in the vitamin c tablet, for each trial. be sure to enter your calculated mass in the corresponding order that you entered your milligrams of ascorbic acid. the milligrams of ascorbic acid you entered for entry #1 previously should correspond to the mass of ascorbic acid that you enter for entry #1 here.