(Q).
High pressure systems cause clear weather, and high barometric pressure indicates clear weather. Given these facts, what causes clear weather among the following options: - our nearest star - electromagnetic energy - looseness of dirt or compost - Animal survival - The area was once underwater - evaporation - barometric pressure - windpower operated machines
(A).
barometric pressure

(Q).
Biomass is the total mass of organisms at a trophic level, and most living things are called organisms. Given these facts, biomass is the total mass of living things at each what among the following options: - trophic level - important habitats - Energy. - food and shelter - Power plants - animals - body water - heat energy
(A).
trophic level

(Q).
Landfills have a negative impact on the environment, and landfills are the places that our garbage is taken to be buried. Given these facts, what damages our environment among the following options: - Pollution - flooding - harmful substances - Burying garbage - humans disturb it - Planting trees - Recycling - Using renewable energy
(A).
Burying garbage