Choose all the right answers. When the leaf of a fern touches the ground, it may produce a new plant:
by budding from its stem
by growing roots at the point of contact
by planting a spore
by vegetative reproduction

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

We can be sure that a mole of table sugar and a mole of vitamin c are equal in their 1) mass in daltons. 2) mass in grams. 3) number of molecules. 4) number of atoms. 5) volume.