For the month of March in Lethbridge, the average high was 6.0 degrees Celsius and the average low was -6.5 degrees Celsius. For Halifax, the average high was 3.0 degrees Celsius and the average low was -5.8 degrees Celsius. Explain why the temperature changes more in one city than the other

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism