Use the excerpt from the text How to Become a Fossil to answer the question. 

How to Become a Fossil

“Some of this mineral-filled water seeped into the iguanodon’s bones. The rocky bits in the water washed into the tiny bone holes and stuck. For thousands of years, hard minerals from water slowly replaced the bone.”

Which is the main idea of this excerpt from the text?

(1 point)
Responses

Water carries away the bones.
Water carries away the bones.

The rocks bury the iguanodon. 
The rocks bury the iguanodon. 

Minerals take the place of the bone

Minerals take the place of the bone

Use the excerpt from the text How to Build a Fossil to answer the question.

How to Build a Fossil

“The rain also turned the hillside above into mud. Some of the mud began to slide, faster and faster, down the hill. And right in the middle of breakfast, Wham! The poor iguanodon was rudely buried under a ton of mud.”

Why does the author use the word wham in the sentence?

(1 point)
Responses

to describe to the reader how noisy the mudslide was
to describe to the reader how noisy the mudslide was

to explain to the reader how mudslides work
to explain to the reader how mudslides work

to describe to the reader how the iguanodon caused the mudslide
to describe to the reader how the iguanodon caused the mudslide

to help the reader understand how unexpected the mudslide was