Answer:
Hydrogen could become a future energy source as it can be used to create steam, electricity and other forms of energy. Hydrogen is also considered a clean form of energy, as its only product is water, which is harmless.
Explanation:
Human activities that contribute to desertification include the expansion and intensive use of agricultural lands, poor irrigation practices, deforestation, and overgrazing.
Answer:
they can advertise deals and new items or services that are being sold
Explanation:
Answer: A)Control : no photograph
Dependent: whether they returned it or not
Confounding:time of day
B) people have the need to see themselves as righteous so to raise their self esteem and maintain their image they’ll do something good
C)they valued their own interest ?? (Not sure)
D)maybe the ppl who picked up the wallets were young, so the older couple’s photograph would be an out group “them” compared to the young “us”
E)higher
Explanation:
had u missed out the words can u rephrase it and i will try my best to answer this questions
