If speciation events show evolution over geologic time above the level of the species, then what shows evolution over geologic time above the level of the species? Answer choices: - speciation events - Leptospirosis - cliffs - rapid expansion - peachleaf willow - swamp vegetation - Darwin - RNA
speciation events

(Question)
If activation energy must be used before a chemical change happens, then what is required before a chemical change? Answer choices: - kinetic energy - energy usage - activation push - activation energy - activation switch - activation power - Burning fuel and air - Evaporation
(Answer)
activation energy

Ques: If gold deposits are found in fissures, then where are deposits of gold found? Answer choices: - In sediment - kalenchoes - fissures - rocks - mines - coral reefs - inactive - calcite
Ans: fissures

(Q).
If electrical currents can cause objects to repel each other, then which of the following can cause objects to repel each other? Answer choices: - electromagnetic energy - mass - Electrical energy - gravitation - electrical currents - photosynthesis - the Great Barrier Reef - electricity
(A).
electrical currents

Ques:If high pressure systems cause good visibility, then what causes good visibility? Answer choices: - permineralization - focusing a lens - high pressure systems - flashlights - peachleaf willow - the Great Barrier Reef - an electron microscope - windpower operated machines

Ans:high pressure systems

If nerves can sense pressure, then what can sense pressure? Answer choices: - thermometers - pressure cookers - sharks - fur seals - nerves - animals - humans - skin cells
nerves