Orange trees reproduce through sexual reproduction. What can be known about orange tree reproduction? A. Sperm and eggs form zygotes.
b. Budding is involved.
c. Vegetative propagation forms zygotes.
d. Spores are involved.

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

Identify characteristics of energy from the sun. check all that apply. almost all of the energy on earth comes from the sun. energy from the sun is known as mechanical energy. the energy in fossil fuels originally came from the sun. plants convert the energy of sunlight into chemical energy.

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?