Подчеркните сказуемое, укажите видовременную форму, залог

Подчеркните сказуемое в следующих предложениях,
укажите видовременную форму, залог.
1. The downsides from the environmental point of view are evident: harm to
public health through carbon dioxide emissions in exhaust fumes, which are
connected to respiratory problems, and to precious ecosystems from oil spills and
leakage.
2. It may produce less carbon dioxide than other fossil fuels, but the major
stumbling block to its usage is that the methane released lives in the atmosphere
for a long time.
3. Solar energy is used to split the water into hydrogen and oxygen and then
recombine it, with water being the waste by-product in the form of steam in
vehicles.

1. Are — Present Simple Active. Are connected — Present Simple Passive.
2. May produce — Present Simple Active. Is — Present Simple Active. Lives — Present Simple Active.
3. Is used to split...recombine — Present Simple Passive.

1 are — present simple active, are connected — present simple passive
2 may produce — present simple active, is — present simple active, lives — present simple active
3 is used — present simple passive

1. It may produce less carbon dioxide than other fossil fuels.
2. Natural gas requires compression or low temperatures if it has to be used for cars or other vehicles.