Answer:
D) A Survey of fellow classmates
Explanation:
This is the correct answer because an informal survey involves various answers that may or may not be accurate. Informal surveys cannot be held as scientific fact and are, therefore, not reliable. A scientific journal is reliable because it most likely includes data from an experiment and/or research of a trusted scientist or group. The results of past experiments are very reliable because these are the results of hard work and thorough planning and research. A scientific discussion with colleagues is not very credible because it involves the sharing of opinionated information, but it is certainly more reliable that the varying answers of school-aged peers.
Answer:
more molecules reaching the activation energy, which increases the rate of the reactions. Since the molecules are also moving faster, collisions between enzymes and substrates also increase.
Explanation:
Answer:
Concave and convex.
Explanation:
Concave and convex are the two sides of the golgi bodies.
One side is facing the nucleas and other side is facing the cellmembrane.
Answer: D. Gradually, as generations of elephants continued to selectively use and develop their trunks.
Explanation: Lamarck believed that organisms pass on traits to their offspring that they had acquired through use or diuse during their lifetime. In this example, the theory would be that over time, elephants used their trunks in such a way that they became long and powerful.