69. Which of the following is an example of a heterogeneous m"guI 68. All of the following statements are true about a pure substanc
2.
it is a single kind of matter.
b.
it can be easily separated physically.
C.
it has a specific makeup, or composition.
d.
it can be an element or a compound

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community

1) strawberry plants typically reproduce by making runners, which are miniature versions of themselves, that grow off of the roots and stems of the parent. this type of vegetative reproduction is known as a) pollination. b) fragmentation. c) binary fission. d) vegetative propogation.