Biology, 20.09.2019 18:30 savageyvens
Trilobites were abundant in pennsylvania. trilobites were among the first of the arthropods, a phylum of hard-shelled creatures with multiple body segments and jointed legs. their fossils first appeared in early cambrian period about 570 million years ago. the trilobite fossils show that during most of this time pennsylvania was providing favorable conditions for the trilobites.
a) glacial terrain
b) a dry and sandy plain
c) mostly mountain ranges
d) covered by warm, shallow seas
Answers: 1
Biology, 22.06.2019 03:30
What is the role of the phospholipid belayer in cellular transport in living cells
Answers: 1
Biology, 22.06.2019 06:30
Match the pollutants. 1. a chlorofluorocarbon smoke 2. a biodegradable organophosphate insecticide freon 3. particle pollution paint 4. hazardous waste monoxide 5. carbon is completely burned malathion 6. carbon is incompletely burned dioxide
Answers: 2
Biology, 22.06.2019 18:00
Which three statements represent the benefits of performing experiments using computer simulations?
Answers: 2
Trilobites were abundant in pennsylvania. trilobites were among the first of the arthropods, a phylu...
History, 02.02.2021 14:00
Mathematics, 02.02.2021 14:00
Mathematics, 02.02.2021 14:00
Mathematics, 02.02.2021 14:00
English, 02.02.2021 14:00
History, 02.02.2021 14:00
Mathematics, 02.02.2021 14:00
Mathematics, 02.02.2021 14:00
Mathematics, 02.02.2021 14:00
Mathematics, 02.02.2021 14:00
History, 02.02.2021 14:00
Mathematics, 02.02.2021 14:00
History, 02.02.2021 14:00