Add spaces: ConcernoverthechangingnorthledtheHarpergovernmenttodeclaretheArcticCanada'stopforeignpolicypriority.

Answer: Concern over the changing north led the Harper government to declare the Arctic Canada's top foreign policy priority.
Duetoitstoughnessandelasticity,it'soneofthemostresistingcoatingsontheplanet.

Due to its toughness and elasticity, it's one of the most resisting coatings on the planet.
[Q]: [Tungstenplates,tungstensheetarewidelyusedintheconstructionoffurnacetoolingandpartsandasafeedstockforthefabricationofpartsfortheelectronicsandsemiconductorindustries.]
[A]: [Tungsten plates,tungsten sheet are widely used in the construction of furnace tooling and parts and as a feedstock for the fabrication of parts for the electronics and semiconductor industries.]
Problem: Add spaces: CheapestpropertiesinRiobamba

Spaces added: Cheapest properties in Riobamba
This text is missing some spaces, please add them: Thearmytooclaimscredit.Maj.Gen.LuckyIrabor,thecommanderoftheforceassignedtodefeatBokoHaram,thisweekannouncedhistroopshadexpelledtheterroristsfrom"theirlastknownstrongholdsofAbadamandMallamFatoriandwearenowconsolidatingourhold."Butthisdidnotmeanthat"Wehaveheardthelastfromtheinsurgents,"hewarned.
The army too claims credit. Maj. Gen. Lucky Irabor, the commander of the force assigned to defeat Boko Haram, this week announced his troops had expelled the terrorists from "their last known strongholds of Abadam and Mallam Fatori and we are now consolidating our hold." But this did not mean that "We have heard the last from the insurgents," he warned.
[Q]: [Hi,mynameisTigerandIam20years.]
[A]:
[Hi, my name is Tiger and I am 20 years.]