Succession can be primary or secondary based on what kind of radical environmental change happens in an ecosystem. Which of the following changes is not an example of secondary succession? A. Chicago had a snowfall in late April of 2019, so spring was delayed this year.

B. Flooding of the Mississippi river in 2019 was one of the worst floods in modern history.

C. Tornados caused property damage in southeastern US states in March and April of 2019.

D. A wildfire at I-95 North near Jacksonville in May 2019 burned 600 acres in the Yellow Bluff area.

the scientific method.

measuring physical properties lab reportinstructions: in the physical properties lab, you will test the physical properties of different building materials in order to pick the appropriate materials for a new home in tiny world. record your observations and test measurements in the lab report below. youwill submit your completed report.name and title: lyric lawton, mr.herbert, 10/13/17, physical properties lab. objective(s): i need to parvus build his house out of the right material, so he will stay cool in the mountains.hypothesis: if we use wood to build the roof of the house, then the temperature inside the house will remain cooler.if we use clay brick to build the walls and floors of the house, then the temperature inside the house will remain cooler.if we use aluminium to bring electricity into the home, then it will allow electricity to flow into the home at a faster rate.if we use iron to construct the latches on the windows and doors, then the magnetism will keep the latches secure.