When a number begins a sentence, it should follow which format?

Natasha, belinda, and ava are working on an art project together. when natasha sees whatbelinda has contributed, she says there is no way they can include her work because it lookslike a third grader did it.the communication mistake natasha has made isa.)groupthinkb.)collaborating with strangers.c.)failing to create a group connection.d.)criticizing the person, not the process.

Which cause-and-effect relationship in “broken chain” relates to the theme "by others, we ourselves"?

¿cómo se llama el movimiento arquitectónico en españa durante los siglos vii y xv?