Answer:
Geiger counters are commonly used to measure the amount of radioactivity, but there are other types of detectors that may be used
Explanation:
A ..................................................
I think its the sunflower family
if i am wrong please tell me!
Answer: Several types of evidence supported Hess's theory of sea-floor spreading: eruptions of molten material, magnetic stripes in the rock of the ocean floor, and the ages of the rocks themselves. This evidence led scientists to look again at Wegener's hypothesis of continental drift.
Explanation:
<span>It is the biosphere, which includes all living organisms and ecosystems is the highest physical level of biological study.</span>
