Any two effects of gravitational force are as follows:
1. The Earth's gravitational force accelerates objects when they fall.
2. It constantly pulls, and the objects constantly speed up.
Primary succession would most likely occur after a lava flow.
The answer is 50 percent.
Parent plant of genotype Rr will in meiosis produce haploid gametes which will carry either R allele or r allele. Since there are only two possibilities R or r, the probability that seed will get r gene is 1 of 2. This can be presented as 1/2, which is 50%.
