B. law of conservation of mass
This is why the total amount of and element before and after a chemical reaction is constant.
C. membrane bound organelles and no distinct nucleus
Because the dark box is blending in with the shadows, however the white box is bright and easier to see
Answer:
Biodiversity boosts ecosystem productivity where each species, no matter how small, all have an important role to play. ... A larger number of plant species means a greater variety of crops. Greater species diversity ensures natural sustainability for all life forms.
Explanation: