PLZ HELP ASAP What type of energy is necessary for photosynthesis to occur? Question 19 options: heat mechanical electrical sunlight

Acid rain is the direct result of acid released by burning fossil fuels. select the best answer from the choices provided ot o f true or false

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. the following chemical equation shows the combustion of ethane. balance the equation by filling in the coefficients. c2h6 + o2 → co2 + h2o

28. how many linkage groups will be formed by homogametic organism with 28 chromosomes?