If a new substance is formed from a chemical reaction, then what type of change occurred?

Chemical Change

Physical Change

Spacial Change

To balance the equation a coefficient of _needs to be in front of_ KCIO4 - KCl + O2

A scientist looked at a group of embryos. Upon examination, she observed that species A and B diverged closer to fertilization. She also observed that species C and D diverged closer to birth. Which of the following statements is true? A.

If you removed all the sori from a fern it would?

In which time frames can short-term environmental changes occur? Check all that apply. in days in minutes over hundreds of years over thousands of years over billions of years

Following a spinal cord injury suffered in a motor vehicle accident, a 22-year-old male has lost fine motor function of his fingers and thumb but is still able to perform gross motor movements of his hand and arm.

What does not exist in a supersaturated solution

When dust and ash particles from a volcanic eruption block out sunlight and reduce solar radiation, earth experiences the. This results in temporary climate cooling

Which of Jupiter's moons is volcanically active? Io Ganymede Europa Callisto

Risk assessment depends on

DNA is genetic material that makes up living things, and folic acid plays an important role in the formation of DNA. Jon wants to study the effect of folic acid on DNA formation in microbes.