When you take blood pressure, it is expressed in a fraction. The top number of that fraction is systolic pressure- the amount of pressure in your arteries during contraction of your heart muscle... I hope this helped! :)
Answer:
vestigial structures are considered evidence because scientists believe they are structures that were once used by a species ancestors but are not longer needed. these structures do not impair the organism in any way, so there is no need for evolution to get rid of them. for example, the human appendix is considered a vestigial structure.
Explanation:
:D
Answer:
Lightning is not considered a form of precipitation but rather a discharge of electricity.
Answer:
tropical
tropical
temperate
Explanation:
tropical rainforest weather is warm year around because they are on the equator. temperate has winter and fall, etc
tropical gets more rain because it rains more on the equator as well
coniferous trees grow in colder climates