Which forms of energy are used when air is warming in the sunlight? Select all that apply. Select one or more:
a. Light
O b. Electrical
c. Thermal
O d. Mechanical

Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond

Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error?

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen