The process of petrifaction can include which of the following: • Silica from the ash soaks into the wood, turning it to stone when it dries
• Volcanic ash blows into the water
• Living plants like trees can be submerged in water
• All of the above

Help me please :(

!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..

About how much of the cell mass is watet