Ahmad was moving to the south with v= 10 km/hr, and Mohammed was moving with half of Ahmad's speed to the North. Write the vector that represents Mohammed's speed as a magnitude and direction

Task #1: Poison ivy is a weed that grows in New York State. It’s synthesizes an oil, urushiol, that causes skin rashes. Researchers have found that if poison ivy grows in an environment that contains an increased concentration of carbon dioxide, the plants grow larger, faster, and produce more urushiol. Because carbon dioxide levels in the atmosphere are rising, poison ivy might become a hazard to people who work or vacation outdoors. In order to verify this research, experiments must be carried out. Design an experiment to test whether poison ivy is affected by air containing higher than normal concentrations of carbon dioxide.

State one way the control group should be treated differently from the experimental group.

A. to determine if humans can explore mars safely