Which minerals can scratch glass, have a non-metallic luster, and fracture?

why is it so significant that the earth is the only planet in our solar system whit liquid water on its surface?

Which of the following is always single stranded? a. DNA b. mRNA c. DNA & RNA d. dsRNA

A hypothesis is a purpose for a scientific

Suppose that individuals 7 and 8 are pregnant with another daughter. Can you tell in advance whether she will be a carrier or will have the disease?

a. The pith contains parenchyma and mucilage ducts. b. The cortex contains collenchyma and parenchyma. c. The xylem is located outside the phloem. d. The epidermis is a single layer of cells. e.

What is the difference between bacillus, coccus, and spirillum

What is always true of scientific practices a. They prove a hypothesis to be correct b. They involve steps performed in the same order c. They seek to produce verifiable data d. They lead to the same interpretation

Which statement is true about the scientific method

How do cells correct errors in DNA that would disrupt their function

Which is true of oxidation? a) It is a physical process b) No change occurs in the makeup of rock c) Rocks weather at different rates d) Water freezes in cracks in rock