In which type of reaction do two lighter nuclei combine to form one heavier nucleus

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.

The punnett square predicts the ratio of genotypes in the offspring, based on the genotypes of the parents. in this cross, tallness (h) is dominant to shortness (h). based on the punnett square, what is the phenotype of the offspring? hh hh tall short

Which of the following is one way in which organisms such as clown fish and sea turtles are able to overcome the many dangers that their offspring encounter and ensure that their species population numbers stay relatively steady