7. Give me an atom with the following characteristics. a. Halogen b. Chalogen
c. Alkali metal d. Boron
e. Lanthanide series
f. Alkaline Earth metal

The volume of a cylinder is 72 tt cm3. if the radius is 3 cm, what is the height of the cylinder?

Driving on the highway can lead you to the hypnosis of a road, a condition of drowsiness or ignorance, you can avoid this condition

Which statements about the two fossil images are correct? 1. cave bears are ancestors of plateosaurus. 2. plateosaurus were present on earth before ostracoderms. 3. ostracoderms were the first to die. 4. plateosaurus died after the ostracoderms. 5. cave bears are the oldest fossils.