Which type of structure is most likely to fail because of the weight of the structure caused the ground under neath it to shift

True or false: the revolution of the earth creates day and night as it rotates around the sun

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.

Which missing item would complete this alpha decay reaction ? > 228/88ra + 4/2he a.224/96 rn b. 232/90 th c. 230/92 u d. 235/92 u