Extend: How could scientists use this physical property to identify an unknown substance? Please explain by using gold as an example and showing how the math would be calculated.

What sre the effects of hemolytic disease of a newborn

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods.c. it shows that these organisms share the same habitat.d. it provides evidence that these organisms suffered a genetic mutation.

Match each description of an object’s motion with the position-time graph that represents it. not moving moving with constant speed speeding up slowing down