Tar and other ingredients found in smoke act as carcinogens which can cause an uncontrolled growth of cells
Answer:
Igneous rocks go through the physical change of erosion, where the rock is broken apart by wind and rain. The resulting sediments are deposited on the ground or ocean floor and start to be compressed into sedimentary rock.
Explanation:
Mountain chains match up where South America collided with Australia to form Pangaea.
Answer:
The proportion of the sperm would carry the Bt gene is 1/2
The presence of the Bt gene is dominant
Explanation:
Bacillus thuringiensis (Bt) transgenic crops include, ammong, others, cotton, corn, and potatoes. The Bt transgenic crops are aimed at killing insect pests that feed plants and thus reduce crop yields
Answer:
Charles Darwin and Alfred Russel wallace in the 19th century
so the answer is d