Which object was developed to astronomers learn more about the sun? 1 the parker probe 2 the orion vehicle 3 the curiosity rover 4 the explorer satellite

The right option is; 1. the Parker probe

Parker probe is the object that was developed to help astronomers learn more about the sun.

Parker Probe is a robotic spacecraft of the National Aeronautics and Space Administration (NASA) which was sent to probe the outer corona (an aura of plasma surrounding the sun) of the sun. Parker Probe was designed to discover what increases the solar wind, to trace the flow of sun’s energy, and to have more understanding about the heating of the solar corona.

The answer is Parker Probe

I just took the test on edge.

fertilization, pictured in figure 24.23a is the process in which gametes (an egg and sperm) fuse to form a zygote. the egg and sperm each contain one set of chromosomes. to ensure that the offspring has only one complete diploid set of chromosomes, only one sperm must fuse with one egg. in mammals, the egg is protected by a layer of extracellular matrix consisting mainly of glycoproteins called the zona pellucida. when a sperm binds to the zona pellucida, a series of biochemical events, called the acrosomal reactions, take place. in placental mammals, the acrosome contains digestive enzymes that initiate the degradation of the glycoprotein matrix protecting the egg and allowing the sperm plasma membrane to fuse with the egg plasma membrane, as illustrated in figure 24.23b. the fusion of these two membranes creates an opening through which the sperm nucleus is transferred into the ovum. the nuclear membranes of the egg and sperm break down and the two haploid genomes condense to form a diploid genome.

explanation:

answer; i believe its echoic memory,it is believed to last three to four seconds; good luck