That is true. Burning fossil fuels accelerates the carbon cycle.
I wrote the answer in the photo.
Answer:
Agriculture is the art and science of cultivating the soil, growing crops and raising livestock. It includes the preparation of plant and animal products for people to use and their distribution to markets. Agriculture provides most of the world's food and fabrics.
In an experiment, independent variables are those which are changed or manipulated to find the value of dependent variables. Here number of roses is dependent variable because its number depends on how many aphids are present. So option A is incorrect. Kinds of aphids killed is also dependent variable, because its population depends on how much chemical is sprayed to kill it. So, option C is also incorrect. Kind of rose is irrelevant, because aphids will eat any kind of rose. So the right answer is - <u>Option B, kinds of chemicals used</u>. This is because it will determine the number of aphids left and population of roses.