Add spaces: Morningtemperatureswillbearound10°C.Duringthedaytheywillreachamaximumof17°C.Lowtemperaturesatnightwillbearound8°C.Wehaveweaksoutheasterlywinds.

Answer: Morning temperatures will be around 10 °C. During the day they will reach a maximum of 17 °C. Low temperatures at night will be around 8°C. We have weak southeasterly winds.

Add spaces: Thepresentationdescribeshowitallstartedandwhattheintentionswere.

Answer: The presentation describes how it all started and what the intentions were.

Add spaces: Hemicelluloseconsistsprimarilyofchainsofpentosanesandhexosanes.

Answer:
Hemicellulose consists primarily of chains of pentosanes and hexosanes.