Answer:
The correct answer is option (D) there was a time in Pennsylvania history when dinosaur existed.
Explanation: A paleontologist discovers a rock slab on which the footprints of a Pennsylvania dinosaur are well preserved. This means that there was a time in Pennsylvania history when dinosaur existed in this area. Here fossil is a fragment of rock on which the footprints of dinosaur is present.
Answer:go on google to search it up
Explanation:
<span>D) They are nonlobed, simple leaves and are attached oppositely on the branch.</span>
Answer: A animals biome affect how it lives biomes are largely determined by climate, which is a function of many variables; but moisture and temperature are two key factors. ... Each species is adapted to the biome it is best suited to and this is a kind of "weeding out" process - or survival of the fittest in any given biome.
Explanation:
<span>A light microscope uses focused light and lenses to magnify an object. Light microscopes come in several forms. (1) Simple light microscopes use a single lens to magnify an object and cannot reach high magnification just like a handheld lens whose highest clear magnification in the best conditions is 25x. (2) Compound light microscopes use two sets of lenses - an objective lens and an eye piece. This is the type of light microscope whose magnification power reaches between 1000x and 2000x.</span>
